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COMMITMENTS AND CONTINGENCIES Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Commitments and Contingencies Disclosure [Abstract]      
Operating leases, maximum period afforded to each party to cancel lease agreements 90 days    
Operating leases, rent expense $ 27.3 $ 25.9 $ 26.5
Purchase obligation 28.0    
Purchase obligation, due in next twelve months $ 14.7