Derivatives - Schedule of Fair Value of Derivative Financial Instruments (Detail) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	$ 17.6	$ 33.3
Fair Value of Derivatives, Liability	57.4	36.8
Derivatives Designated as Effective Hedges [Member] | Cash Flow Hedges [Member] | Cross-currency Swaps [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset		0.7
Fair Value of Derivatives, Liability	19.3	16.3
Derivatives Designated as Effective Hedges [Member] | Cash Flow Hedges [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	7.1	14.2
Fair Value of Derivatives, Liability	6.9	3.4
Derivatives Designated as Effective Hedges [Member] | Fair Value Hedges [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Liability	6.1	5.9
Derivatives Not Designated as Effective Hedges [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	10.4	18.2
Fair Value of Derivatives, Liability	25.1	10.9
Derivatives Not Designated as Effective Hedges [Member] | Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	$ 0.1	0.2
Fair Value of Derivatives, Liability		$ 0.3