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PROPERTY AND EQUIPMENT, NET (NARRATIVE) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Property, Plant and Equipment [Abstract]      
Capitalized computer software, net $ 19.4 $ 21.9  
Depreciation expense $ 20.3 $ 24.7 $ 21.6