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SEGMENT INFORMATION Narrative (Details)	12 Months Ended
	Jan. 01, 2017	Dec. 25, 2015	Dec. 26, 2014
Outside of United States [Member]
Segment Reporting Information [Line Items]
Net Property and Equipment Percent	7.00%	2.00%
Customer A [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		13.10%
Customer A [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member] | PeopleManagement
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	18.20%	36.70%	30.60%
Customer B [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member] | PeopleScout
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	12.80%
Customer C [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member] | PeopleScout
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.00%
Customer D [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member] | PeopleScout
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		10.60%
Customer E [Member] | Customer Concentration Risk | Sales Revenue, Segment [Member] | PeopleScout
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		10.20%

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Net Property and Equipment Percent

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611

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