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Geographic and Service Group Information (Revenue by Service Group) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 01, 2016	Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Jan. 01, 2016	Jan. 02, 2015	Dec. 27, 2013
Segment Reporting Information [Line Items]
Total revenue	$ 60,261	$ 59,992	$ 59,423	$ 54,905	$ 54,551	$ 54,550	$ 55,000	$ 49,418	$ 260,940	$ 236,737	$ 223,830
The Hackett Group [Member]
Segment Reporting Information [Line Items]
Total revenue									221,341	196,145	184,112
ERP Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue									$ 39,599	$ 40,592	$ 39,718

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

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+ References

No definition available.

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