SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 02, 2017	Jun. 24, 2016	Jul. 02, 2017	Jun. 24, 2016
Segment Reporting Information [Line Items]
Revenue	$ 610,122	$ 672,612	$ 1,178,366	$ 1,318,592
Segment EBITDA	35,569	(54,389)	59,489	(28,471)
Corporate unallocated	124,754	135,787	246,598	266,411
Depreciation and amortization	(12,287)	(11,694)	(23,461)	(22,983)
Income (loss) from operations	18,239	(76,826)	24,650	(68,227)
Interest and other income (expense), net	155	(887)	229	(1,906)
Income (loss) before tax expense	18,394	(77,713)	24,879	(70,133)
Corporate Segment
Segment Reporting Information [Line Items]
Corporate unallocated	(5,043)	(10,743)	(11,378)	(16,773)
PeopleReady
Segment Reporting Information [Line Items]
Revenue	370,712	406,274	703,336	762,284
Segment EBITDA	19,154	29,543	28,876	41,098
PeopleManagement
Segment Reporting Information [Line Items]
Revenue	192,887	219,344	384,573	465,771
Segment EBITDA	6,286	(80,091)	11,819	(73,738)
PeopleScout
Segment Reporting Information [Line Items]
Revenue	46,523	46,994	90,457	90,537
Segment EBITDA	$ 10,129	$ (3,841)	$ 18,794	$ 4,169

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ 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 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311

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