XML 29 R75.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stockholders' Equity - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 0 Months Ended | 9 Months Ended | 12 Months Ended | 23 Months Ended
--- | --- | --- | --- | ---
Apr. 24, 2012 | Sep. 26, 2014 | Dec. 31, 2013 | Mar. 28, 2014
Equity [Abstract] |  |  |  |
Authorized stock repurchase value | $ 25 |  | $ 220 |
Increase in stock repurchase program |  | 80 | 195 |
Stock Repurchased and Retired During Period, Shares |  |  |  | 36.3
Weighted average purchase price per share |  |  |  | $ 6.19
Common stock repurchased and retired, aggregate value |  |  |  | 224.6
Remaining authorized repurchase amount |  |  |  | $ 75.4

X
- Definition Stock Repurchased And Retired During Period Shares Average Cost Per Share + References No definition available. + Details
Name: | hlit_StockRepurchasedAndRetiredDuringPeriodSharesAverageCostPerShare
Namespace Prefix: | hlit_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase Of Common Stock Repurchase Authorization + References No definition available. + Details
Name: | hlit_StockRepurchaseProgramIncreaseOfCommonStockRepurchaseAuthorization
Namespace Prefix: | hlit_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration