XML 88 R72.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Geographic and Service Group Information (Narrative) (Details) - USD ($) $ in Millions | Jan. 01, 2016 | Jan. 02, 2015 | Dec. 27, 2013
--- | --- | --- | ---
Geographic and Service Group Information [Abstract] |  |  |
Goodwill included in foreign assets | $ 14.1 | $ 15.0 | $ 15.8

X
- Definition Goodwill included in foreign asset. + References No definition available. + Details
Name: | hckt_GoodwillIncludedInForeignAsset
Namespace Prefix: | hckt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration