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DEFINED CONTRIBUTION PLANS (Details) (USD $)
In Millions, unless otherwise specified
Mar. 27, 2015
Dec. 26, 2014
Compensation and Retirement Disclosure [Abstract]    
Deferred compensation liability, current and noncurrent $ 11.3us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent $ 10.1us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent