XML 92 R84.htm IDEA: XBRL DOCUMENT
v3.20.1

Segment Information - Summary Financial Infomation by reportable segments (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 27, 2020 USD ($) segment | Mar. 29, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |
Total net revenue | [1] | $ 78,417 | $ 80,106
Gross Profit |  | 36,738 | 41,849
Operating income (loss) |  | $ (18,049) | (8,408)
Number of Reportable Segments | segment |  | 2 |
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue |  | $ 78,417 | 80,106
Gross Profit |  | 38,321 | 43,670
Operating income (loss) |  | (9,532) | (3,854)
Operating Segments [Member] | Video [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue |  | 54,372 | 67,176
Gross Profit |  | 27,907 | 38,602
Operating income (loss) |  | (6,267) | 1,968
Operating Segments [Member] | Cable Access [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total net revenue |  | 24,045 | 12,930
Gross Profit |  | 10,414 | 5,068
Operating income (loss) |  | $ (3,265) | $ (5,822)
[1] | Revenue is attributed to countries based on the location of the customer.

X
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + References Reference 1: 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=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_GrossProfit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: 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=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hlit_VideoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hlit_CableAccessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |