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SUPPLEMENTAL FINANCIAL INFORMATION - Software, Equity Method Investment and Research and Development (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Oct. 31, 2016
Research and Development        
Research and development expense $ 89.7 $ 91.9 $ 102.5  
PragmatIC        
Equity Method Investment        
Interest of equity method investment       22.60%
Carrying value of investment       $ 9.5
Total software        
Capitalized software costs        
Software amortization expense from continuing operations 37.9 37.6 $ 36.4  
Total software | Other assets        
Capitalized software costs        
Cost 415.5 398.2    
Accumulated amortization (297.9) (270.8)    
Software, net $ 117.6 $ 127.4