0000851310-21-000025 | 10-Q | XBRL Viewer

Fair Value Measurements (Tables)

3 Months Ended

Apr. 02, 2021

Financial Assets and Liabilities Measured at Fair Value Based on Three-Tier Fair Value Hierarchy

The Company’s financial instruments not measured at fair value on a recurring basis were as follows:


	April 2, 2021								December 31, 2020
	Carrying		Fair Value						Carrying		Fair Value
(in thousands)	Value		Level 1		Level 2		Level 3		Value		Level 1		Level 2		Level 3
2022 Notes	$	36,143	$	—	$	57,628	$	—	$	35,925	$	—	$	54,204	$	—
2024 Notes	$	94,884	$	—	$	131,197	$	—	$	93,582	$	—	$	125,953	$	—

Segment Information Segment Income or Loss Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Segment Reporting Information [Line Items]
Operating income (loss)	$ (3,844)	$ (18,049)
Unallocated Corporate Expenses	(58,989)	(54,787)
Stock-based compensation	(8,398)	(6,259)
Amortization of intangibles	(507)	(1,655)
Nonoperating Income (Expense)	(1,584)	(3,176)
Loss before income taxes	(5,428)	(21,225)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	5,068	(9,532)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Unallocated Corporate Expenses	$ (7)	$ (603)

Other Financial Statement Information (Tables)

3 Months Ended

Apr. 02, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accounts Receivable, Net

The following tables provide details of selected balance sheet components:


	As of
(in thousands)	April 2, 2021		December 31, 2020
Accounts receivable, net:
Accounts receivable	$	87,960	$	68,295
Less: allowances for expected credit losses and sales returns	(2,256)		(2,068)
Total	$	85,704	$	66,227

Inventories


	As of
(in thousands)	April 2, 2021		December 31, 2020
Inventories:
Raw materials	$	4,462	$	2,529
Work-in-process	1,828		1,689
Finished goods	21,114		22,777
Service-related spares	8,135		8,036
Total	$	35,539	$	35,031

Prepaid expenses and Other Current Assets


	As of
(in thousands)	April 2, 2021		December 31, 2020
Prepaid expenses and other current assets:
Prepaid expenses	$	11,234	$	11,453
Contract assets	11,067		9,800
Other current assets	16,346		16,879
Total	$	38,647	$	38,132

Property, Plant and Equipment


	As of
(in thousands)	April 2, 2021		December 31, 2020
Property and equipment, net:
Machinery and equipment	$	73,377	$	72,731
Capitalized software	37,140		37,141
Leasehold improvements	38,800		38,718
Furniture and fixtures	2,871		2,913
Construction-in-progress	3,478		2,209
Property and equipment, gross	155,666		153,712
Less: accumulated depreciation and amortization	(112,530)		(110,571)
Total	$	43,136	$	43,141

Other Current Liabilities


	As of
(in thousands)	April 2, 2021		December 31, 2020
Other current liabilities:
Accrued employee compensation and related expenses	$	17,258	$	23,131
Other	26,728		27,202
Total	$	43,986	$	50,333

Convertible Debt - Convertible Notes Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 02, 2021	Dec. 31, 2020	Jun. 02, 2020	Sep. 13, 2019
Debt Instrument [Line Items]
Carrying amount	$ 94,884	$ 129,507
Convertible Note due 2022
Debt Instrument [Line Items]
Principal Amount	37,707	37,707	$ 37,700
Less: Debt discount, net of amortization	(1,191)	(1,357)	$ (1,700)
Less: Debt issuance costs, net of amortization	(373)	(425)
Carrying amount	$ 36,143	$ 35,925
Remaining amortization period (years)	1 year 8 months 12 days	1 year 10 months 24 days
Effective interest rate on liability component	6.95%	6.95%
Convertible Note due 2024
Debt Instrument [Line Items]
Principal Amount	$ 115,500	$ 115,500		$ 115,500
Less: Debt discount, net of amortization	(18,153)	(19,294)
Less: Debt issuance costs, net of amortization	(2,463)	(2,624)
Carrying amount	$ 94,884	$ 93,582
Remaining amortization period (years)	3 years 4 months 24 days	3 years 8 months 12 days
Effective interest rate on liability component	7.95%	7.95%

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Apr. 02, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Indemnification The Company is obligated to indemnify its officers and the members of its Board of Directors pursuant to its bylaws and contractual indemnity agreements. The Company also indemnifies some of its suppliers and most of its customers for specified intellectual property matters pursuant to certain contractual arrangements, subject to certain limitations. The scope of these indemnities varies, but, in some instances, includes indemnification for damages and expenses (including reasonable attorneys’ fees). There have been no amounts accrued in respect of these indemnification provisions through April 2, 2021. Legal proceedings From time to time, the Company is involved in lawsuits as well as subject to various legal proceedings, claims, threats of litigation, audits of royalty payments for licensed technology and investigations in the ordinary course of business, including claims of alleged infringement of third-party patents and other intellectual property rights, commercial, employment, and other matters. The Company assesses potential liabilities in connection with each lawsuit and threatened lawsuits and accrues an estimated loss for these loss contingencies if both of the following conditions are met: information available prior to issuance of the financial statements indicates that it is probable that a liability has been incurred at the date of the financial statements and the amount of loss can be reasonably estimated. While certain matters to which the Company is a party specify the damages claimed, such claims may not represent reasonably probable losses. Given the inherent uncertainties of litigation, the ultimate outcome of these matters cannot be predicted at this time, nor can the amount of possible loss or range of loss, if any, be reasonably estimated.

Other Financial Statement Information - Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued employee compensation and related expenses	$ 17,258	$ 23,131
Other	26,728	27,202
Total	$ 43,986	$ 50,333

Fair Value Measurements

3 Months Ended

Apr. 02, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

The Company’s financial instruments not measured at fair value on a recurring basis were as follows:


	April 2, 2021								December 31, 2020
	Carrying		Fair Value						Carrying		Fair Value
(in thousands)	Value		Level 1		Level 2		Level 3		Value		Level 1		Level 2		Level 3
2022 Notes	$	36,143	$	—	$	57,628	$	—	$	35,925	$	—	$	54,204	$	—
2024 Notes	$	94,884	$	—	$	131,197	$	—	$	93,582	$	—	$	125,953	$	—

The fair value of the Company’s convertible notes is influenced by interest rates, the Company’s stock price and stock market volatility. The difference between the carrying value and the fair value is primarily due to the spread between the conversion price and the market value of the shares underlying the conversion as of each respective balance sheet date.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Contract Assets and Deferred Revenue - Narratives (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-03 - Comcast CableOS Software License Agreement [Member] $ in Millions	Apr. 02, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 68.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	27 months

Leases

3 Months Ended

Apr. 02, 2021

Leases [Abstract]

Lessee, Operating Leases

LEASES

The components of lease expense are as follows:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Operating lease cost	$	1,866	$	2,668
Variable lease cost	1,099		792
Total lease cost	$	2,965	$	3,460

Supplemental information related to leases are as follows:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Cash payments	$	1,838	$	2,421
Right-of-use assets obtained in exchange for operating lease obligations	$	—	$	1,671

Other Financial Statement Information - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Receivables [Abstract]
Accounts receivable	$ 87,960	$ 68,295
Less: allowances for expected credit losses and sales returns	(2,256)	(2,068)
Total	$ 85,704	$ 66,227

Other Financial Statement Information - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 155,666	$ 153,712
Less: accumulated depreciation and amortization	(112,530)	(110,571)
Total	43,136	43,141
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	73,377	72,731
Capitalized Software [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	37,140	37,141
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	38,800	38,718
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	2,871	2,913
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 3,478	$ 2,209

Contract Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Contract assets	$ 11,067	$ 9,800
Prepaid Expenses and Other Current Assets [Member]
Capitalized Contract Cost [Line Items]
Contract assets	11,067	9,800
Other Noncurrent Liabilities [Member]
Capitalized Contract Cost [Line Items]
Deferred revenue	$ 74,609	$ 63,533

Contract Assets and Deferred Revenue

3 Months Ended

Apr. 02, 2021

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer [Text Block]

CONTRACT ASSETS AND DEFERRED REVENUE

Contract Balances. Contract assets exist when the Company has satisfied a performance obligation but does not have an unconditional right to consideration (e.g., because the entity first must satisfy another performance obligation in the contract before it is entitled to invoice the customer). Deferred revenue represents the Company’s obligation to transfer goods or services to a customer for which the Company has received consideration (or an amount of consideration is due) from the customer.

Contract assets and deferred revenue consisted of the following:


	As of
(in thousands)	April 2, 2021		December 31, 2020
Contract assets	$	11,067	$	9,800
Deferred revenue	$	74,609	$	63,533

Contract assets and Deferred revenue (long-term) are reported as components of “Prepaid expenses and other current assets” and “Other non-current liabilities,” respectively, on the Condensed Consolidated Balance Sheets.

During the three months ended April 2, 2021 and March 27, 2020, the Company recognized revenue of $30.4 million and $18.0 million, respectively, that was included in the deferred revenue balance at the beginning of each fiscal year.

In July 2019, Comcast elected enterprise license pricing for the Company’s CableOS® software under certain existing commercial agreements between the Company and Comcast (the “CableOS software license agreement”), which also includes maintenance and support services, and material rights. As of April 2, 2021, the aggregate amount of the transaction price under this agreement allocated to the remaining performance obligations is $68.3 million, and the Company will recognize this revenue as the related performance obligations are delivered over the next 27 months.

Refer to Note 9, “Segment Information” for disaggregated revenue information.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-URI http://asc.fasb.org/topic&trid=49130388

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

+ Details

Convertible Debt (Tables)

3 Months Ended

Apr. 02, 2021

Convertible Note due 2022

Debt Instrument [Line Items]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the components of the 2022 Notes:


	As of
(in thousands, except for years and percentages)	April 2, 2021			December 31, 2020
Liability component:
Principal amount	$	37,707		$	37,707
Less: Debt discount, net of amortization	(1,191)			(1,357)
Less: Debt issuance costs, net of amortization	(373)			(425)
Carrying amount	$	36,143		$	35,925
Remaining debt discount amortization period (years)	1.7			1.9
Effective interest rate on liability component	6.95		%	6.95		%

Convertible Debt Interest

The following table presents interest expense recognized for the 2022 Notes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Contractual interest expense	$	412	n/a
Amortization of debt discount	166		n/a
Amortization of debt issuance costs	52		n/a
Total interest expense recognized	$	630	n/a

Convertible Note due 2024

Debt Instrument [Line Items]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the components of the 2024 Notes:


	As of
(in thousands, except for years and percentages)	April 2, 2021			December 31, 2020
Liability component:
Principal amount	$	115,500		$	115,500
Less: Debt discount, net of amortization	(18,153)			(19,294)
Less: Debt issuance costs, net of amortization	(2,463)			(2,624)
Carrying amount	$	94,884		$	93,582
Remaining debt discount amortization period (years)	3.4			3.7
Effective interest rate on liability component	7.95		%	7.95		%

Convertible Debt Interest

The following table presents interest expense recognized for the 2024 Notes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Contractual interest expense	$	578	$	578
Amortization of debt discount	1,146		1,058
Amortization of debt issuance costs	156		144
Total interest expense recognized	$	1,880	$	1,780

Convertible Debt - Interest (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Convertible Note due 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 412
Amortization of debt discount	166
Amortization of debt issuance costs	52
Total interest expense recognized	630
Convertible Note due 2024
Debt Instrument [Line Items]
Contractual interest expense	578	$ 578
Amortization of debt discount	1,146	1,058
Amortization of debt issuance costs	156	144
Total interest expense recognized	$ 1,880	$ 1,780

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 100,777	$ 98,645
Accounts receivable, net	85,704	66,227
Inventories	35,539	35,031
Prepaid expenses and other current assets	38,647	38,132
Total current assets	260,667	238,035
Property and equipment, net	43,136	43,141
Operating lease right-of-use assets	25,751	27,556
Other non-current assets	38,308	39,117
Goodwill	241,847	243,674
Total assets	609,709	591,523
Current liabilities:
Convertible debt, current	36,143	0
Other debts, current	5,405	11,771
Accounts payable	36,148	23,543
Deferred revenue	63,851	54,294
Operating lease liabilities, current	7,032	7,354
Other current liabilities	43,986	50,333
Total current liabilities	192,565	147,295
Convertible debt, non-current	94,884	129,507
Other debts, non-current	15,415	10,086
Operating lease liabilities, non-current	24,548	26,071
Other non-current liabilities	20,963	20,262
Total liabilities	348,375	333,221
Commitments and contingencies (Note 10)
Convertible debt (Note 6)	1,564	0
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized; 100,993 and 98,204 shares issued and outstanding at April 2, 2021 and December 31, 2020, respectively	101	98
Additional paid-in capital	2,365,129	2,353,559
Accumulated deficit	(2,107,335)	(2,101,211)
Accumulated other comprehensive income	1,875	5,856
Total stockholders’ equity	259,770	258,302
Total liabilities and stockholders’ equity	$ 609,709	$ 591,523

Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value Based on Three-Tier Fair Value Hierarchy (Detail) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	$ 94,884	$ 129,507
Convertible Note due 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	94,884	93,582
Convertible Note due 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	36,143	35,925
Level 2 [Member] \| Convertible Note due 2024 \| Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible Debt, Fair Value Disclosures	131,197	125,953
Level 2 [Member] \| Convertible Note due 2022 \| Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible Debt, Fair Value Disclosures	$ 57,628	$ 54,204

Other Financial Statement Information - Prepaid Expenses And Other Current Assets (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 11,234	$ 11,453
Contract assets	11,067	9,800
Other current assets	16,346	16,879
Total	$ 38,647	$ 38,132

Lease (Tables)

3 Months Ended

Apr. 02, 2021

Leases [Abstract]

Components of Lease Expenses

The components of lease expense are as follows:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Operating lease cost	$	1,866	$	2,668
Variable lease cost	1,099		792
Total lease cost	$	2,965	$	3,460

Supplemental information related to leases are as follows:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Cash payments	$	1,838	$	2,421
Right-of-use assets obtained in exchange for operating lease obligations	$	—	$	1,671

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Net loss	$ (6,124)	$ (21,954)
Other comprehensive income (loss) before tax:
Change in foreign currency translation adjustments	(4,249)	(3,119)
Other comprehensive loss before tax	(4,249)	(3,119)
Provision for (benefit from) income taxes	(268)	156
Other comprehensive loss, net of tax	(3,981)	(3,275)
Total comprehensive loss	$ (10,105)	$ (25,229)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 11
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(22))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 11
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22595-107794

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(18))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(20))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 20: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 60B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256

Reference 21: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Reference 22: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794

+ Details

- Definition

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 11
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120385591&loc=d3e39076-109324

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120385591&loc=d3e38679-109324

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(23))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(21))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e640-108580

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

Segment Information - Summary Financial Infomation by reportable segments (Details)
$ in Thousands

3 Months Ended

Apr. 02, 2021

USD ($)

segment

Mar. 27, 2020

USD ($)

Segment Reporting Information [Line Items]

Total net revenue

^[1]

$ 111,576

$ 78,417

Gross Profit

55,145

36,738

Operating income (loss)

$ (3,844)

(18,049)

Number of Reportable Segments | segment

Operating Segments [Member]

Segment Reporting Information [Line Items]

Total net revenue

$ 111,576

78,417

Gross Profit

56,182

38,321

Operating income (loss)

5,068

(9,532)

Operating Segments [Member] | Video [Member]

Segment Reporting Information [Line Items]

Total net revenue

70,331

54,372

Gross Profit

38,774

27,907

Operating income (loss)

3,772

(6,267)

Operating Segments [Member] | Cable Access [Member]

Segment Reporting Information [Line Items]

Total net revenue

41,245

24,045

Gross Profit

17,408

10,414

Operating income (loss)

$ 1,296

$ (3,265)

[1]	Revenue is attributed to countries based on the location of the customer.

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Thousands	Apr. 02, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Preferred Stock, Shares Authorized	5,000	5,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Common Stock, Shares Authorized	150,000	150,000
Common Stock, Shares, Issued	100,993	98,204
Common Stock, Shares, Outstanding	100,993	98,204

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Apr. 02, 2021	May 03, 2021
Document Information [Line Items]
Title of 12(b) Security	Common stock, $0.001 par value
Entity Incorporation, State or Country Code	DE
Entity File Number	000-25826
Document Transition Report	false
Document Annual Report	true
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 02, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Registrant Name	HARMONIC INC.
Entity Central Index Key	0000851310
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		101,087,383
Entity Tax Identification Number	77-0201147
Entity Address, Address Line One	2590 Orchard Parkway
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95131
City Area Code	408
Local Phone Number	542-2500
Trading Symbol	HLIT
Security Exchange Name	NASDAQ

Convertible Debt

3 Months Ended

Apr. 02, 2021

Debt Disclosure [Abstract]

Convertible Notes, Other Debts And Capital Leases

CONVERTIBLE DEBT

4.375% Convertible Senior Notes due 2022 (the “2022 Notes”)

In June 2020, the Company issued the 2022 Notes with an aggregate principal amount of $37.7 million in a non-cash exchange for its 2020 Notes with an equal principal amount pursuant to an indenture, dated June 2, 2020 (the “2022 Notes Indenture”), by and between the Company and U.S. Bank National Association, as trustee. The 2022 Notes bear interest at a rate of 4.375% per year, payable in cash on June 1 and December 1 of each year. The 2022 Notes will mature on December 1, 2022, unless earlier repurchased or redeemed by the Company, or converted pursuant to their terms.

The 2022 Notes are convertible into cash, shares of the Company’s common stock, par value $0.001 (“Common Stock”), or a combination thereof, at the Company’s election, at an initial conversion rate of 173.9978 shares of Common Stock per $1,000 principal amount of 2020 Notes (which is equivalent to an initial conversion price of approximately $5.75 per share). The conversion rate, and thus the effective conversion price, may be adjusted under certain circumstances, including in connection with conversions made following certain fundamental changes and under other circumstances as set forth in the 2022 Notes Indenture.

Prior to the close of business on the business day immediately preceding September 1, 2022, the 2022 Notes will be convertible only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ended on June 26, 2020 (and only during such fiscal quarter), if the last reported sale price of Common Stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of 2022 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of Common Stock and the conversion rate on each such trading day; or (3) upon the occurrence of specified corporate events. Commencing on September 1, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date, the 2022 Notes will be convertible in multiples of $1,000 principal amount regardless of the foregoing circumstances.

As the 2022 Notes were issued in exchange for the 2020 Notes, which was accounted for as an extinguishment, the 2022 Notes were initially accounted for at fair value, which was estimated to be $44.4 million. In accordance with the accounting guidance on embedded conversion features, the conversion feature associated with the 2022 Notes was initially valued at $8.3 million and bifurcated from the host debt instrument and recorded in “Additional paid-in capital.” The remaining amount of $36.0 million, which represents the fair value of the liability component of the 2022 Notes, was recorded as the initial carrying value of the 2022 Notes. The initial debt discount on the 2022 Notes is $1.7 million, calculated as the difference between the stated principal amount of $37.7 million and the initial carrying value of the liability component of $36.0 million. The debt discount is being amortized to interest expense at the effective interest rate over the contractual term of the 2022 Notes.

The following table presents the components of the 2022 Notes:


	As of
(in thousands, except for years and percentages)	April 2, 2021			December 31, 2020
Liability component:
Principal amount	$	37,707		$	37,707
Less: Debt discount, net of amortization	(1,191)			(1,357)
Less: Debt issuance costs, net of amortization	(373)			(425)
Carrying amount	$	36,143		$	35,925
Remaining debt discount amortization period (years)	1.7			1.9
Effective interest rate on liability component	6.95		%	6.95		%

The following table presents interest expense recognized for the 2022 Notes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Contractual interest expense	$	412	n/a
Amortization of debt discount	166		n/a
Amortization of debt issuance costs	52		n/a
Total interest expense recognized	$	630	n/a

The 2022 Notes became convertible as of April 2, 2021, as the last reported sale price of the Company’s common stock for at least 20 trading days during a period of 30 consecutive trading days ending on April 2, 2021 was greater than 130% of the conversion price of the 2022 Notes on each applicable trading day. As a result of the 2022 Notes becoming convertible for cash up to the principal amount of $37.7 million, the Company reclassified the unamortized debt discount for the 2022 Notes in the amount of $1.6 million from “Additional paid-in-capital” to “Convertible Debt” in the mezzanine equity section in the Condensed Consolidated Balance Sheet as of April 2, 2021. Additionally, all $36.1 million of the net carrying amount of the liability component of the 2022 Notes outstanding as of April 2, 2021 was classified as a current liability as of that date.

2.00% Convertible Senior Notes due 2024 (the “2024 Notes”)

In September 2019, the Company issued the 2024 Notes with an aggregate principal amount of $115.5 million pursuant to an indenture (the “2024 Notes Indenture”), dated September 13, 2019, by and between the Company and U.S. Bank National Association, as trustee. The 2024 Notes bear interest at a rate of 2.00% per year, payable semiannually on March 1 and September 1 of each year. The 2024 Notes will mature on September 1, 2024, unless earlier repurchased or redeemed by the Company, or converted pursuant to their terms.

The 2024 Notes are convertible into cash, shares of the Company’s common stock, par value $0.001 (“Common Stock”), or a combination thereof, at the Company’s election, at an initial conversion rate of 115.5001 shares of Common Stock per $1,000 principal amount of 2024 Notes (which is equivalent to an initial conversion price of approximately $8.66 per share). The conversion rate, and thus the effective conversion price, may be adjusted under certain circumstances, including in connection with conversions made following certain fundamental changes or a notice of redemption and under other circumstances, in each case, as set forth in the 2024 Notes Indenture.

Prior to the close of business on the business day immediately preceding June 1, 2024, the 2024 Notes will be convertible only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ending on December 31, 2019, and only during such fiscal quarter, if the last reported sale price of the Common Stock for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price for the 2024 Notes on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of 2024 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Common Stock and the conversion rate on each such trading day; (3) if the Company calls any or all of the 2024 Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after June 1, 2024, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders of the 2024 Notes may convert all or any portion of their 2024 Notes regardless of the foregoing conditions.

In accordance with the accounting guidance on embedded conversion features, the conversion feature associated with the 2024 Notes was valued at $24.9 million and bifurcated from the host debt instrument and recorded in “Additional paid-in capital”. The resulting debt discount on the 2024 Notes is being amortized to interest expense at the effective interest rate over the contractual term of the 2024 Notes.

The following table presents the components of the 2024 Notes:


	As of
(in thousands, except for years and percentages)	April 2, 2021			December 31, 2020
Liability component:
Principal amount	$	115,500		$	115,500
Less: Debt discount, net of amortization	(18,153)			(19,294)
Less: Debt issuance costs, net of amortization	(2,463)			(2,624)
Carrying amount	$	94,884		$	93,582
Remaining debt discount amortization period (years)	3.4			3.7
Effective interest rate on liability component	7.95		%	7.95		%

The following table presents interest expense recognized for the 2024 Notes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Contractual interest expense	$	578	$	578
Amortization of debt discount	1,146		1,058
Amortization of debt issuance costs	156		144
Total interest expense recognized	$	1,880	$	1,780

Lease - Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Leases [Abstract]
Operating lease cost	$ 1,866	$ 2,668
Variable lease cost	1,099	792
Total lease cost	2,965	3,460
Cash payments	1,838	2,421
Right-of-Use assets obtained in exchange for operating lease obligations	$ 0	$ 1,671

Segment Information

3 Months Ended

Apr. 02, 2021

Segment Reporting [Abstract]

Segment Information

SEGMENT INFORMATION

Operating segments are defined as components of an enterprise that engage in business activities for which separate financial information is available and evaluated by the Company’s Chief Operating Decision Maker (the “CODM”), which for the Company is its Chief Executive Officer, in deciding how to allocate resources and assess performance. Based on the Company’s internal reporting structure, the Company consists of two operating segments: Video and Cable Access. The operating segments were determined based on the nature of the products offered. The Video segment provides video processing and production and playout solutions and services worldwide to broadcast and media companies, streaming new media companies, cable operators, and satellite and telecommunications Pay-TV service providers. The Cable Access segment provides cable access solutions and related services to cable operators globally. A measure of assets by segment is not applicable as segment assets are not included in the discrete financial information provided to the CODM.

The following table provides summary financial information by reportable segment:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Video
Revenue	$	70,331	$	54,372
Gross profit	38,774		27,907
Operating income (loss)	3,772		(6,267)
Cable Access
Revenue	$	41,245	$	24,045
Gross profit	17,408		10,414
Operating income (loss)	1,296		(3,265)
Total
Revenue	$	111,576	$	78,417
Gross profit	56,182		38,321
Operating income (loss)	$	5,068	$	(9,532)

A reconciliation of the Company’s consolidated segment operating income (loss) to consolidated loss before income taxes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Total consolidated segment operating income (loss)	$	5,068	$	(9,532)
Unallocated corporate expenses(1)	(7)		(603)
Stock-based compensation	(8,398)		(6,259)
Amortization of intangibles	(507)		(1,655)
Consolidated income (loss) from operations	(3,844)		(18,049)
Non-operating expense, net	(1,584)		(3,176)
Loss before income taxes	$	(5,428)	$	(21,225)

(1) Together with amortization of intangibles and stock-based compensation, the Company does not allocate restructuring and related charges to the operating income (loss) for each segment because management does not include this information in the measurement of the performance of the operating segments.

Geographic Information


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Net revenue (1)
United States	$	67,095	$	34,403
Other countries	44,481		44,014
Total	$	111,576	$	78,417

(1) Revenue is attributed to countries based on the location of the customer.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 26
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-URI http://asc.fasb.org/topic&trid=2134510

+ Details

Recent Accounting Pronouncements Additional Information (Details) shares in Millions	Jan. 01, 2022 shares
Subsequent Event \| AccountingStandardsUpdate202006Member
Debt Instrument [Line Items]
Increased number of shares for diluted EPS using if-converted method	19.9

Contract Assets and Deferred Revenue (Tables)

3 Months Ended

Apr. 02, 2021

Revenue from Contract with Customer [Abstract]

Contract assets and Deferred Revenue

Contract assets and deferred revenue consisted of the following:


	As of
(in thousands)	April 2, 2021		December 31, 2020
Contract assets	$	11,067	$	9,800
Deferred revenue	$	74,609	$	63,533

Segment Information (Tables)

3 Months Ended

Apr. 02, 2021

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

The following table provides summary financial information by reportable segment:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Video
Revenue	$	70,331	$	54,372
Gross profit	38,774		27,907
Operating income (loss)	3,772		(6,267)
Cable Access
Revenue	$	41,245	$	24,045
Gross profit	17,408		10,414
Operating income (loss)	1,296		(3,265)
Total
Revenue	$	111,576	$	78,417
Gross profit	56,182		38,321
Operating income (loss)	$	5,068	$	(9,532)

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

A reconciliation of the Company’s consolidated segment operating income (loss) to consolidated loss before income taxes:


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Total consolidated segment operating income (loss)	$	5,068	$	(9,532)
Unallocated corporate expenses(1)	(7)		(603)
Stock-based compensation	(8,398)		(6,259)
Amortization of intangibles	(507)		(1,655)
Consolidated income (loss) from operations	(3,844)		(18,049)
Non-operating expense, net	(1,584)		(3,176)
Loss before income taxes	$	(5,428)	$	(21,225)

Revenue from External Customers by Geographic Areas


	Three months ended
(in thousands)	April 2, 2021		March 27, 2020
Net revenue (1)
United States	$	67,095	$	34,403
Other countries	44,481		44,014
Total	$	111,576	$	78,417

(1) Revenue is attributed to countries based on the location of the customer.

^[1]

[1]	Revenue is attributed to countries based on the location of the customer.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands

3 Months Ended

Apr. 02, 2021

Mar. 27, 2020

Total net revenue

^[1]

$ 111,576

$ 78,417

Total cost of revenue

56,431

41,679

Total gross profit

55,145

36,738

Operating expenses:

Research and development

23,528

22,123

Selling, general and administrative

34,911

31,218

Amortization of intangibles

507

770

Restructuring and related charges

676

Total operating expenses

58,989

54,787

Loss from operations

(3,844)

(18,049)

Interest expense, net

(2,603)

(2,903)

Other income (expense), net

1,019

(273)

Loss before income taxes

(5,428)

(21,225)

Provision for income taxes

696

729

Net loss

$ (6,124)

$ (21,954)

Net loss per share:

Basic and diluted

$ (0.06)

$ (0.23)

Shares used in per share calculation:

Basic and diluted

99,868

95,575

Appliance & Integration [Member]

Total net revenue

$ 79,976

$ 47,752

Total cost of revenue

42,619

26,287

SaaS & Service [Member]

Total net revenue

31,600

30,665

Total cost of revenue

$ 13,812

$ 15,392

[1]	Revenue is attributed to countries based on the location of the customer.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Cash flows from operating activities:
Net loss	$ (6,124)	$ (21,954)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	3,057	2,843
Amortization of Intangible Assets	507	1,655
Stock-based compensation	8,398	6,259
Amortization of convertible debt discount	1,532	1,835
Amortization of warrant	429	434
Foreign currency remeasurement	(2,609)	(2,066)
Deferred income taxes	432	653
Provision for expected credit losses and returns	1,089	331
Provision for excess and obsolete inventories	644	234
Other adjustments	143	121
Changes in operating assets and liabilities:
Accounts receivable	(20,758)	(5,068)
Inventories	(1,119)	(6,281)
Other assets	(1,019)	10,579
Accounts payable	13,527	(242)
Deferred revenues	11,285	12,477
Other liabilities	(7,736)	(12,851)
Net cash provided by (used in) operating activities	1,678	(11,041)
Cash flows from investing activities:
Purchases of property and equipment	(3,645)	(11,224)
Net cash used in investing activities	(3,645)	(11,224)
Cash flows from financing activities:
Payment of convertible debt issuance costs	0	(35)
Repayment of other debts	(108)	(406)
Proceeds from common stock issued to employees	5,685	3,000
Payment of tax withholding obligations related to net share settlements of restricted stock units	(913)	(829)
Net cash provided by financing activities	4,664	1,730
Effect of exchange rate changes on cash and cash equivalents	(565)	(811)
Net increase (decrease) in cash and cash equivalents	2,132	(21,346)
Cash and cash equivalents at beginning of period	98,645	93,058
Cash and cash equivalents at end of period	100,777	71,712
Supplemental disclosures of cash flow information:
Income taxes, net of refunds	537	408
Interest payments	1,183	1,095
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures incurred but not yet paid	$ 973	$ 7,620

Earnings Per Share - Narratives (Details) shares in Millions	Jan. 01, 2022 shares
AccountingStandardsUpdate202006Member \| Subsequent Event
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Increased number of shares for diluted EPS using if-converted method	19.9

Other Financial Statement Information

3 Months Ended

Apr. 02, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Balance Sheet Components

The following tables provide details of selected balance sheet components:


	As of
(in thousands)	April 2, 2021		December 31, 2020
Accounts receivable, net:
Accounts receivable	$	87,960	$	68,295
Less: allowances for expected credit losses and sales returns	(2,256)		(2,068)
Total	$	85,704	$	66,227


	As of
(in thousands)	April 2, 2021		December 31, 2020
Inventories:
Raw materials	$	4,462	$	2,529
Work-in-process	1,828		1,689
Finished goods	21,114		22,777
Service-related spares	8,135		8,036
Total	$	35,539	$	35,031


	As of
(in thousands)	April 2, 2021		December 31, 2020
Prepaid expenses and other current assets:
Prepaid expenses	$	11,234	$	11,453
Contract assets	11,067		9,800
Other current assets	16,346		16,879
Total	$	38,647	$	38,132


	As of
(in thousands)	April 2, 2021		December 31, 2020
Property and equipment, net:
Machinery and equipment	$	73,377	$	72,731
Capitalized software	37,140		37,141
Leasehold improvements	38,800		38,718
Furniture and fixtures	2,871		2,913
Construction-in-progress	3,478		2,209
Property and equipment, gross	155,666		153,712
Less: accumulated depreciation and amortization	(112,530)		(110,571)
Total	$	43,136	$	43,141


	As of
(in thousands)	April 2, 2021		December 31, 2020
Other current liabilities:
Accrued employee compensation and related expenses	$	17,258	$	23,131
Other	26,728		27,202
Total	$	43,986	$	50,333

Basis of Presentation and Significant Accounting Policies	3 Months Ended
	Apr. 02, 2021
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	BASIS OF PRESENTATION The condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") and include the accounts of Harmonic Inc. and its controlled subsidiaries (collectively, “Harmonic” or the “Company”). Intercompany accounts and transactions have been eliminated in consolidation. In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments) necessary for a fair presentation of the Company's financial position as of balance sheet dates and its operating results and cash flows for the interim periods presented. Operating results for the three month period ended April 2, 2021 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2021. These unaudited condensed consolidated financial statements should be read in conjunction with the Company's audited consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2020. The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. Certain prior period balances have been reclassified to conform to the current period’s presentation. These reclassifications did not have a material impact on previously reported financial statements. The Company’s significant accounting policies are described in Note 2 to its audited Consolidated Financial Statements included in the 2020 Form 10-K. There have been no significant changes to these policies during the three months ended April 2, 2021.

Earnings Per Share

3 Months Ended

Apr. 02, 2021

Earnings Per Share [Abstract]

Income (Loss) Per Share

EARNINGS PER SHARE

The diluted net loss per share was the same as basic net loss per share for the three months ended April 2, 2021 and March 27, 2020, as the inclusion of potential common shares outstanding would have been anti-dilutive due to the Company’s net losses for all periods presented. The following table sets forth the potential weighted common shares outstanding that were excluded from the diluted net loss per share computation:


	Three months ended
(in thousands)	April 2, 2021	March 27, 2020
Convertible debt	1,795	1,169
Stock options	1,191	1,796
Restricted stock units	2,828	2,899
Stock purchase rights under the ESPP	340	443
Total	6,154	6,307

The Company applies the treasury stock method to determine the potential dilutive effect of its convertible debt on net earnings per share as a result of the Company's intent and stated policy to settle the principal amount of its convertible debt in cash. Under the treasury stock method, the Company’s convertible debt is excluded from the calculation of diluted earnings per share for the periods when its conversion price exceeds the average market price for the Company's common stock. Under the if-converted method, the Company’s convertible debt has potential dilutive effect of 19.9 million shares.

Recent Accounting Pronouncements	3 Months Ended
Recent Accounting Pronouncements	Apr. 02, 2021
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Accounting for Convertible Instruments in an Entity’s Own Equity, which simplifies the accounting for convertible instruments and contracts on an entity’s own equity. Among other changes, ASU No. 2020-06 removes from U.S. GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. This ASU is effective for interim and annual periods beginning after December 15, 2021, with early adoption permitted after December 15, 2020 and can be adopted either on a modified retrospective or full retrospective basis. The Company is evaluating the impact, timing and method of adoption of this ASU. Upon adoption of this ASU, the Company expects to recombine the equity conversion component of its convertible notes, which was initially separated and recorded in equity, and remove the remaining debt discounts recorded for this previous separation. Adoption of this ASU will also result in the elimination of a portion of non-cash interest expense related to amortization of debt discount. Additionally, ASU No. 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share, which would result in an increase in the number of shares for calculating diluted earnings per share by approximately 19.9 million shares. From time to time, new accounting pronouncements are issued by the FASB, or other standards setting bodies, that are adopted by the Company as of the specified effective date. Unless otherwise discussed, the Company believes the impact of recently issued standards that are not yet effective will not have a material impact on its consolidated financial position, results of operations and cash flows upon adoption.

- Definition

The entire disclosure for change in accounting principle. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 65
-Paragraph 1
-Subparagraph (g)(2)
-URI http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-URI http://asc.fasb.org/topic&trid=2122394

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 65
-Paragraph 1
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=112272810&loc=SL108384541-122693

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 65
-Paragraph 1
-Subparagraph (i)(2)
-URI http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(ii)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(i)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 65
-Paragraph 15
-Subparagraph (g)(1)
-URI http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 65
-Paragraph 1
-Subparagraph (j)
-URI http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(iv)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 65
-Paragraph 2
-Subparagraph (f)(1)
-URI http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 11.M.Q2)
-URI http://asc.fasb.org/extlink&oid=112272810&loc=d3e31137-122693

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 65
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 65
-Paragraph 2
-Subparagraph (f)(3)
-URI http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 10
-Section 65
-Paragraph 4
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 20: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 65
-Paragraph 2
-Subparagraph (h)(2)
-URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641

Reference 21: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 10
-Section 65
-Paragraph 4
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437

Reference 22: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 65
-Paragraph 8
-Subparagraph (e)(1)

Reference 24: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 65
-Paragraph 8
-Subparagraph (e)(2)

Reference 25: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 65
-Paragraph 8
-Subparagraph (e)(3)

+ Details

Earnings Per Share - Anti-dilutive Securities (Detail) - shares shares in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	6,154	6,307
Convertible Debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	1,795	1,169
Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	1,191	1,796
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	2,828	2,899
Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	340	443

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Convertible Note due 2020	Convertible Note due 2020 Additional Paid-in Capital [Member]	Convertible Note due 2022	Convertible Note due 2022 Additional Paid-in Capital [Member]
Common Stock, Beginning at Dec. 31, 2019		91,875
Balance at Dec. 31, 2019	$ 252,446	$ 92	$ 2,327,359	$ (2,071,940)	$ (3,065)
Net loss	(21,954)			(21,954)
Other comprehensive loss, net of tax	(3,275)				(3,275)
Issuance of common stock under stock option, award and purchase plans, Shares		2,278
Issuance of common stock under stock option, award and purchase plans, Value	2,171	$ 3	2,168
Stock-based compensation	6,301		6,301
Exercise of warrant, shares		2,413
Issuance of warrant, amount		$ 2
Adjustments to Additional Paid in Capital, Other exercise of warrant	0		(2)
Adjustment to APIC - Reclassification from Mezzanine Equity to Equity for 2020 Notes						$ 633	$ 633
Common Stock, Ending at Mar. 27, 2020		96,566
Balance at Mar. 27, 2020	236,322	$ 97	2,336,459	(2,093,894)	(6,340)
Common Stock, Beginning at Dec. 31, 2020		98,204
Balance at Dec. 31, 2020	258,302	$ 98	2,353,559	(2,101,211)	5,856
Net loss	(6,124)			(6,124)
Other comprehensive loss, net of tax	(3,981)				(3,981)
Issuance of common stock under stock option, award and purchase plans, Shares		2,789
Issuance of common stock under stock option, award and purchase plans, Value	4,775	$ 3	4,772
Stock-based compensation	8,362		8,362
Adjustments to APIC - Reclassification from Equity to Mezzanine equity for 2022 Notes								$ (1,564)	$ (1,564)
Common Stock, Ending at Apr. 02, 2021		100,993
Balance at Apr. 02, 2021	$ 259,770	$ 101	$ 2,365,129	$ (2,107,335)	$ 1,875

Contract Assets and Deferred Revenue - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Revenue from Contract with Customer [Abstract]
Revenue Recognized Included in Beginning Deferred Revenue	$ 30.4	$ 18.0

Earnings Per Share (Tables)

3 Months Ended

Apr. 02, 2021

Earnings Per Share [Abstract]

Anti-dilutive Securities

The following table sets forth the potential weighted common shares outstanding that were excluded from the diluted net loss per share computation:


	Three months ended
(in thousands)	April 2, 2021	March 27, 2020
Convertible debt	1,795	1,169
Stock options	1,191	1,796
Restricted stock units	2,828	2,899
Stock purchase rights under the ESPP	340	443
Total	6,154	6,307

Segment - Geographic Information (Details) - USD ($)
$ in Thousands

3 Months Ended

Apr. 02, 2021

Mar. 27, 2020

Segment Reporting Information [Line Items]

Net Revenue

^[1]

$ 111,576

$ 78,417

UNITED STATES

Segment Reporting Information [Line Items]

Net Revenue

67,095

34,403

Other countries

Segment Reporting Information [Line Items]

Net Revenue

$ 44,481

$ 44,014

[1]	Revenue is attributed to countries based on the location of the customer.

- Definition

+ References

+ Details

Commitments and Contingencies - Additional Information (Detail) $ in Millions	Apr. 02, 2021 USD ($)
Indemnification [Member]
Other Commitments [Line Items]
Accrual for indemnification provisions	$ 0.0

Basis of Presentation and Significant Accounting Policies (Policies)	3 Months Ended
	Apr. 02, 2021
Accounting Policies [Abstract]
Use of Estimates	The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates.
Reclassification	Certain prior period balances have been reclassified to conform to the current period’s presentation. These reclassifications did not have a material impact on previously reported financial statements.
Significant Accounting Policies	The Company’s significant accounting policies are described in Note 2 to its audited Consolidated Financial Statements included in the 2020 Form 10-K. There have been no significant changes to these policies during the three months ended April 2, 2021.
Recent Accounting Pronouncements	In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Accounting for Convertible Instruments in an Entity’s Own Equity, which simplifies the accounting for convertible instruments and contracts on an entity’s own equity. Among other changes, ASU No. 2020-06 removes from U.S. GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. This ASU is effective for interim and annual periods beginning after December 15, 2021, with early adoption permitted after December 15, 2020 and can be adopted either on a modified retrospective or full retrospective basis. The Company is evaluating the impact, timing and method of adoption of this ASU. Upon adoption of this ASU, the Company expects to recombine the equity conversion component of its convertible notes, which was initially separated and recorded in equity, and remove the remaining debt discounts recorded for this previous separation. Adoption of this ASU will also result in the elimination of a portion of non-cash interest expense related to amortization of debt discount. Additionally, ASU No. 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share, which would result in an increase in the number of shares for calculating diluted earnings per share by approximately 19.9 million shares.
Segment Information	Operating segments are defined as components of an enterprise that engage in business activities for which separate financial information is available and evaluated by the Company’s Chief Operating Decision Maker (the “CODM”), which for the Company is its Chief Executive Officer, in deciding how to allocate resources and assess performance. Based on the Company’s internal reporting structure, the Company consists of two operating segments: Video and Cable Access. The operating segments were determined based on the nature of the products offered.Together with amortization of intangibles and stock-based compensation, the Company does not allocate restructuring and related charges to the operating income (loss) for each segment because management does not include this information in the measurement of the performance of the operating segments.
Warranties and Indemnification	The Company is obligated to indemnify its officers and the members of its Board of Directors pursuant to its bylaws and contractual indemnity agreements. The Company also indemnifies some of its suppliers and most of its customers for specified intellectual property matters pursuant to certain contractual arrangements, subject to certain limitations. The scope of these indemnities varies, but, in some instances, includes indemnification for damages and expenses (including reasonable attorneys’ fees).

- Definition

Disclosure of accounting policy for segment reporting.

+ References + Details

Other Financial Statement Information - Inventories, net (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 4,462	$ 2,529
Work-in-process	1,828	1,689
Finished goods	21,114	22,777
Service-related spares	8,135	8,036
Total	$ 35,539	$ 35,031

Convertible Debt - Narratives (Details)			3 Months Ended
Convertible Debt - Narratives (Details)	Jun. 02, 2020 USD ($)	Sep. 13, 2019 USD ($) $ / shares	Apr. 02, 2021 USD ($) day $ / shares	Dec. 31, 2020 USD ($) $ / shares
Debt Instrument [Line Items]
Common Stock, Par or Stated Value Per Share \| $ / shares			$ 0.001	$ 0.001
Reclassification of unamortized debt discount for 2022 Notes from APIC to Convertible Debt in mezzanine equity section			$ 1,564,000	$ 0
Convertible Debt, Current			36,143,000	0
Convertible Note due 2022
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 37,700,000		$ 37,707,000	37,707,000
Common Stock, Par or Stated Value Per Share \| $ / shares			$ 0.001
Debt Instrument, Convertible, Conversion Ratio			173.9978
Debt Conversion, Converted Instrument, Amount			$ 1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares			$ 5.75
Carrying amount of equity component	8,300,000
Fair Value of Liability Component - Convertible Notes	36,000,000.0
Debt Instrument, Unamortized Discount	$ 1,700,000		$ 1,191,000	1,357,000
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Convertible Note due 2022 \| Stock price greater or equal 130 percent of Note Conversion Price [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Convertible Note due 2022 \| Note price less than 98 percent of stock price times conversion rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			5
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			5
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			98.00%
Convertible Note due 2024
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 115,500,000	$ 115,500,000	115,500,000
Common Stock, Par or Stated Value Per Share \| $ / shares		$ 0.001
Debt Instrument, Convertible, Conversion Ratio		115.5001
Debt Conversion, Converted Instrument, Amount		$ 1,000	1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares		$ 8.66
Carrying amount of equity component		$ 24,900,000
Debt Instrument, Unamortized Discount			$ 18,153,000	$ 19,294,000
Debt Instrument, Interest Rate, Stated Percentage		2.00%
Convertible Note due 2024 \| Stock price greater or equal 130 percent of Note Conversion Price [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Convertible Note due 2024 \| Note price less than 98 percent of stock price times conversion rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			5
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			5
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			98.00%
Maximum [Member] \| Convertible Note due 2022
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 37,700,000
Convertible Debt \| Convertible Note due 2022
Debt Instrument [Line Items]
Notes Issued	$ 44,400,000