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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 30, 2011 | $ 61 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 313,202 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (74,444)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ (103,129)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ (5,442)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 130,248 us-gaap_StockholdersEquity
Balance, Shares at Dec. 30, 2011 | 61,315 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (21,171)us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |
Issuance of common stock | 2 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 231 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 233 us-gaap_StockIssuedDuringPeriodValueNewIssues
Issuance of common stock, Shares | 1,921 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Common stock purchased through Tender Offer | (11)hckt_StockRepurchaseValueDuringTenderOfferNet / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (55,576)hckt_StockRepurchaseValueDuringTenderOfferNet / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | (55,587)hckt_StockRepurchaseValueDuringTenderOfferNet
Common stock purchased through Tender Offer, Shares | (11,000)hckt_StockRepurchasedDuringTenderOfferShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Amortization of restricted stock units and common stock subject to vesting requirements |  | 5,278 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 5,278 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Dividend payment |  |  |  | (3,081)us-gaap_DividendsCommonStockCash / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | (3,081)us-gaap_DividendsCommonStockCash
Net income |  |  |  | 16,697 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | 16,697 us-gaap_NetIncomeLoss
Foreign currency translation |  |  |  |  | 938 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 938 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Balance at Dec. 28, 2012 | 52 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 263,135 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (74,444)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (89,513)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (4,504)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 94,726 us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 28, 2012 | 52,236 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (21,171)us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |
Issuance of common stock | 1 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (95)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | (94)us-gaap_StockIssuedDuringPeriodValueNewIssues
Issuance of common stock, Shares | 890 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Common stock purchased through Tender Offer | (1)hckt_StockRepurchaseValueDuringTenderOfferNet / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (7,169)hckt_StockRepurchaseValueDuringTenderOfferNet / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | (7,170)hckt_StockRepurchaseValueDuringTenderOfferNet
Common stock purchased through Tender Offer, Shares | (983)hckt_StockRepurchasedDuringTenderOfferShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Treasury stock purchased |  |  | (5,962)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  | (5,962)us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury stock purchased, Shares |  |  | (1,018)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |
Amortization of restricted stock units and common stock subject to vesting requirements |  | 5,990 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 5,990 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Dividend payment |  |  |  | (3,096)us-gaap_DividendsCommonStockCash / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | (3,096)us-gaap_DividendsCommonStockCash
Net income |  |  |  | 8,729 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | 8,729 us-gaap_NetIncomeLoss
Foreign currency translation |  |  |  |  | 53 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 53 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Balance at Dec. 27, 2013 | 52 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 261,861 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (80,406)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (83,880)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (4,451)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 93,176 us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 27, 2013 | 52,143 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (22,189)us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |
Issuance of common stock | 1 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (1,837)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | (1,836)us-gaap_StockIssuedDuringPeriodValueNewIssues
Issuance of common stock, Shares | 1,060 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Common stock purchased through Tender Offer | (11,000)hckt_StockRepurchaseValueDuringTenderOfferNet / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Treasury stock purchased |  |  | (10,929)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  | (10,929)us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury stock purchased, Shares | (1,800,000)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (1,800)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |
Amortization of restricted stock units and common stock subject to vesting requirements |  | 4,888 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 4,888 us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Dividend payment |  |  |  | (3,508)us-gaap_DividendsCommonStockCash / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | (3,508)us-gaap_DividendsCommonStockCash
Net income |  |  |  | 9,711 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | 9,711 us-gaap_NetIncomeLoss
Foreign currency translation |  |  |  |  | (1,714)us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (1,714)us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Balance at Jan. 02, 2015 | $ 53 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 264,912 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (91,335)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ (77,677)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ (6,165)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 89,788 us-gaap_StockholdersEquity
Ending Balance, Shares at Jan. 02, 2015 | 53,203 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | (23,989)us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |  |

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