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COMMITMENTS AND CONTINGENCIES - Operating Leases (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 27, 2013
Dec. 28, 2012
Dec. 30, 2011
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2014 $ 1.8    
2015 1.0    
2016 0.5    
2017 0.2    
2018 0.1    
Total future non-cancelable minimum lease payments 3.6    
Maximum period afforded to each party to cancel operating lease agreements 90 days    
Cancellation provision in effect for leases excluded from amounts, maximum period 90 days    
Rent expense $ 22.5 $ 22.0 $ 22.1
Minimum
      
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Operating leases renewal option period 3 years    
Maximum
      
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Operating leases renewal option period 5 years