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v2.4.1.9

Basis of Presentation and General Information (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended | 3 Months Ended
--- | --- | ---
Jan. 02, 2015 segment customer | Dec. 27, 2013 customer | Dec. 28, 2012 customer | Mar. 16, 2015
Basis Of Presentation And General Information [Line Items] |  |  |  |
Annual cash dividend per share | $ 0.12 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.10 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.10 us-gaap_CommonStockDividendsPerShareCashPaid |
Period of intangible assets amortized | 5 years |  |  |
Goodwill write off | $ 0.2 us-gaap_GoodwillImpairmentLoss |  |  |
Future amortization expense, 2015 | 2.2 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |  |  |
Future amortization expense, 2016 | 1.2 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |  |
Future amortization expense, 2017 | 1.3 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |  |
Future amortization expense, 2018 | $ 1.3 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |  |
Common stock excluded from reconciliation | 0.3 hckt_CommonStockEquivalentsExcludedInDilutedEarningsPerShare | 0.8 hckt_CommonStockEquivalentsExcludedInDilutedEarningsPerShare | 3.9 hckt_CommonStockEquivalentsExcludedInDilutedEarningsPerShare |
Number of customers accounted for more than five percent of revenue | 0 hckt_NumberOfCustomersAccountedForMoreThanFivePercentOfRevenue | 0 hckt_NumberOfCustomersAccountedForMoreThanFivePercentOfRevenue | 0 hckt_NumberOfCustomersAccountedForMoreThanFivePercentOfRevenue |
Number of operating segments | 1 us-gaap_NumberOfOperatingSegments |  |  |
Minimum [Member] |  |  |  |
Basis Of Presentation And General Information [Line Items] |  |  |  |
Useful life of property and equipments | 3 years |  |  |
Provisions apply to specific employees | 6 months |  |  |
Maximum [Member] |  |  |  |
Basis Of Presentation And General Information [Line Items] |  |  |  |
Useful life of property and equipments | 7 years |  |  |
Provisions apply to specific employees | 12 months |  |  |
Subsequent Event [Member] |  |  |  |
Basis Of Presentation And General Information [Line Items] |  |  |  |
Dividend declared |  |  |  | $ 0.14 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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