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ACQUISITION - Narrative (Details) (USD $)
In Millions, unless otherwise specified
 0 Months Ended 9 Months Ended 1 Months Ended
Feb. 04, 2013
MDT Personnel, LLC
state
branch
Sep. 27, 2013
MDT Personnel, LLC
Jun. 30, 2013
Crowley Transportation Services, LLC
Business Acquisition [Line Items]      
Acquisition cost, cash paid $ 53.4    
Number of branch locations operated by acquiree 105    
Number of states in which acquiree operates 25    
Number of acquired entity's branches consolidated 65    
Integration related costs   2.8  
Integration related costs accrual   0.2  
Total consideration paid     2.4
Contingent consideration     $ 0.6