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Accumulated Other Comprehensive Income (Loss) - Net Changes in Accumulated OCI by Component, Net of Tax (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance $ (498.5) $ (364.2)  
Other comprehensive income (loss) before reclassifications 153.9 (153.0)  
Amounts reclassified from Accumulated OCI 15.6 18.7  
Net other comprehensive income (loss) 169.5 (134.3) $ (116.0)
Ending balance (329.0) (498.5) (364.2)
Foreign Currency Translation [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (217.7) (118.5)  
Other comprehensive income (loss) before reclassifications 135.2 (99.2)  
Net other comprehensive income (loss) 135.2 (99.2)  
Ending balance (82.5) (217.7) (118.5)
Cash Flow Hedges [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 9.2 0.7  
Other comprehensive income (loss) before reclassifications 6.9 8.8  
Amounts reclassified from Accumulated OCI (1.6) (0.3)  
Net other comprehensive income (loss) 5.3 8.5  
Ending balance 14.5 9.2 0.7
Defined Benefit Pension and Postretirement Plans [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (290.0) (246.4)  
Other comprehensive income (loss) before reclassifications 11.8 (62.6)  
Amounts reclassified from Accumulated OCI 17.2 19.0  
Net other comprehensive income (loss) 29.0 (43.6)  
Ending balance $ (261.0) $ (290.0) $ (246.4)