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ACQUISITION - Pro Forma Financial Data (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 29, 2013
Mar. 30, 2012
Business Combination, Pro Forma Information [Abstract]    
Revenue from services $ 370.6 $ 360.4
Net income (loss) $ (0.2) $ 0.3
Net income (loss) per common share - diluted (in dollars per share) $ (0.01) $ 0.01