ACQUISITIONS Schedule of Assets Acquired and Liabilities Assumed (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 96,034	$ 77,266
Medical Staffing Network [Member]
Business Acquisition [Line Items]
Cash acquired	462
Accounts receivables, net	37,417
Other current assets	3,012
Property and equipment	5,113
Goodwill	18,768
Other intangible assets	12,400
Other assets	2,326
Total assets acquired	79,498
Accounts payable	7,269
Accrued employee compensation and benefits	14,013
Other liabilities	9,867
Total liabilities assumed	31,149
Non-controlling interest	298
Net assets acquired	48,051
On Assignment [Member]
Business Acquisition [Line Items]
Other current assets		62
Property and equipment		161
Goodwill		14,554
Other intangible assets		14,000
Other assets		52
Total assets acquired		28,829
Accrued employee compensation and benefits		112
Total liabilities assumed		112
Net assets acquired		$ 28,717