REVENUE, DIRECT COSTS AND GROSS MARGIN Revenue, Direct Costs and Gross Margin (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenue Direct Costs And Gross Margin Line Items [Line Items]
Revenue	$ 124,317us-gaap_SalesRevenueServicesNet	$ 144,167us-gaap_SalesRevenueServicesNet
Direct costs	76,413us-gaap_CostOfRevenue	90,138us-gaap_CostOfRevenue
Gross margin	47,904us-gaap_GrossProfit	54,029us-gaap_GrossProfit
Temporary Contracting
Revenue Direct Costs And Gross Margin Line Items [Line Items]
Revenue	86,580	102,169
Direct costs	73,616	86,795
Gross margin	12,964	15,374
Permanent Recruitment
Revenue Direct Costs And Gross Margin Line Items [Line Items]
Revenue	28,106	29,697
Direct costs	485	486
Gross margin	27,621	29,211
Other Than Temporary Contracting and Permanent Recruitment
Revenue Direct Costs And Gross Margin Line Items [Line Items]
Revenue	9,631	12,301
Direct costs	2,312	2,857
Gross margin	$ 7,319	$ 9,444

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ 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 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ 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 210.5-03.1,2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Definition

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

+ 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(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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