XML 74 R55.htm IDEA: XBRL DOCUMENT v3.8.0.1
PROPERTY AND EQUIPMENT, NET (NARRATIVE) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Dec. 25, 2015
Property, Plant and Equipment [Abstract]      
Capitalized computer software, net $ 21.9 $ 19.2  
Depreciation expense $ 24.7 $ 21.6 $ 21.9