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Income Taxes (Detail And Activity Of The ASC 740-10 Liability) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jan. 02, 2015 | Dec. 27, 2013
Income Taxes [Abstract] |  |
Unrecognized Tax Benefits, Beginning Balance | $ 716 us-gaap_UnrecognizedTaxBenefits | $ 1,015 us-gaap_UnrecognizedTaxBenefits
Additions based on tax positions | 76 hckt_UnrecognizedTaxBenefitsPeriodIncrease |
Reduction for prior year tax deductions |  | (299)hckt_UnrecognizedTaxBenefitsPeriodDecrease
Unrecognized Tax Benefits, Ending balance | $ 792 us-gaap_UnrecognizedTaxBenefits | $ 716 us-gaap_UnrecognizedTaxBenefits

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- Definition Unrecognized Tax Benefits, Period Decrease + References No definition available. + Details
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- Definition Unrecognized Tax Benefits, Period Increase + References No definition available. + Details
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- Details
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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