Changes in Accumulated Other Comprehensive Loss - Components of Other Comprehensive Income (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2018
Mar. 31, 2017
Accumulated Other Comprehensive Income [Roll Forward]    
Balance, beginning $ 2,801.0  
Other comprehensive income (loss) prior to reclassifications 6.1  
Amounts reclassified from accumulated other comprehensive loss 0.1  
Other comprehensive income, net of tax of $1.0 and $0.6, respectively 6.2 $ 7.1
Balance, ending 2,951.5  
Cash flow hedges, tax 1.0  
Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income [Roll Forward]    
Balance, beginning (43.2)  
Other comprehensive income (loss) prior to reclassifications 2.4  
Amounts reclassified from accumulated other comprehensive loss 0.0  
Other comprehensive income, net of tax of $1.0 and $0.6, respectively 2.4  
Balance, ending (40.8)  
Effects of Cash Flow Hedges    
Accumulated Other Comprehensive Income [Roll Forward]    
Balance, beginning 2.6  
Other comprehensive income (loss) prior to reclassifications 3.7  
Amounts reclassified from accumulated other comprehensive loss 0.1  
Other comprehensive income, net of tax of $1.0 and $0.6, respectively 3.8  
Balance, ending 6.4  
Total    
Accumulated Other Comprehensive Income [Roll Forward]    
Balance, beginning (40.6)  
Balance, ending $ (34.4)