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v2.4.1.9

Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 03, 2015 | Mar. 28, 2014 | Dec. 31, 2014 segment | Dec. 31, 2013 segment
Segment Reporting Information [Line Items] |  |  |  |
Revenue, Net | $ 104,016 us-gaap_SalesRevenueNet | $ 108,032 us-gaap_SalesRevenueNet |  |
Number of Reportable Segments |  |  | 2 us-gaap_NumberOfReportableSegments | 1 us-gaap_NumberOfReportableSegments
Income (loss) from operations | 13 us-gaap_OperatingIncomeLoss | (7,222)us-gaap_OperatingIncomeLoss |  |
Operating Expenses | (55,015)us-gaap_OperatingExpenses | (59,534)us-gaap_OperatingExpenses |  |
Stock-based compensation | (4,134)us-gaap_AllocatedShareBasedCompensationExpense | (3,807)us-gaap_AllocatedShareBasedCompensationExpense |  |
Amortization of Intangible Assets | (1,907)us-gaap_AmortizationOfIntangibleAssets | (6,666)us-gaap_AmortizationOfIntangibleAssets |  |
Nonoperating Income (Expense) | (2,956)us-gaap_NonoperatingIncomeExpense | 89 us-gaap_NonoperatingIncomeExpense |  |
Loss before income taxes | (2,943)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (7,133)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  |
Video [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue, Net | 69,282 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = hlit_VideoMember | 81,152 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = hlit_VideoMember |  |
Cable Edge [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue, Net | 34,734 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = hlit_CableEdgeMember | 26,880 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = hlit_CableEdgeMember |  |
Operating Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) from operations | 6,098 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember | 3,479 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  |
Operating Segments [Member] | Video [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) from operations | (90)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = hlit_VideoMember | 2,435 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = hlit_VideoMember |  |
Operating Segments [Member] | Cable Edge [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (loss) from operations | 6,188 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = hlit_CableEdgeMember | 1,044 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = hlit_CableEdgeMember |  |
Corporate, Non-Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Expenses | $ (44)us-gaap_OperatingExpenses / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | $ (228)us-gaap_OperatingExpenses / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  |

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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