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Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss (Income) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Current year actuarial (gain) loss $ 36.0 $ 44.8
Amortization of actuarial loss (11.2) (10.6)
Amortization of prior service cost   (0.1)
Current year valuation adjustments (2.0) (0.3)
Settlement/curtailment (gain) loss (0.8) (0.9)
Total recognized in other comprehensive loss 22.0 32.9
U.S. Pension Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Current year actuarial (gain) loss 3.6 14.6
Amortization of actuarial loss (2.3) (1.7)
Current year valuation adjustments 0.3  
Settlement/curtailment (gain) loss (0.6) (1.6)
Total recognized in other comprehensive loss 1.0 11.3
Non-U.S. Pension Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Current year actuarial (gain) loss 32.4 30.2
Amortization of actuarial loss (8.9) (8.9)
Amortization of prior service cost   (0.1)
Current year valuation adjustments (2.3) (0.3)
Settlement/curtailment (gain) loss (0.2) 0.7
Total recognized in other comprehensive loss $ 21.0 $ 21.6