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Basis of Presentation and General Information (Carrying Amount And Activity Of Goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2021 | Dec. 27, 2019
Carrying amount and activity of goodwill |  |
Goodwill, Beginning Balance | $ 84,578 | $ 84,207
Foreign currency translation adjustment | 719 | 371
Goodwill, Ending Balance | 85,297 | 84,578
The Hackett Group [Member] |  |
Carrying amount and activity of goodwill |  |
Goodwill, Beginning Balance | 43,906 | 43,535
Foreign currency translation adjustment | 719 | 371
Goodwill, Ending Balance | 44,625 | 43,906
Hackett Technology Solutions [Member] |  |
Carrying amount and activity of goodwill |  |
Goodwill, Beginning Balance | 40,672 | 40,672
Goodwill, Ending Balance | $ 40,672 | $ 40,672

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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