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SUBSEQUENT EVENTS (Details) (Subsequent event, The Work Connection, Inc., USD $)
In Millions, unless otherwise specified
0 Months Ended
Sep. 30, 2013
branch
Subsequent event | The Work Connection, Inc.
 
Subsequent Event [Line Items]  
Number of branch locations operated by acquiree 37
Number of years acquiree has been in business in its respective market position at the date of acquisition (more than) 25 years
Acquisition base purchase price $ 19.9
Additional target amount to be reimbursed to seller for excess working capital $ 3.6