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Derivatives - Schedule of Fair Value of Derivative Financial Instruments (Detail) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	$ 26.4	$ 33.3
Fair Value of Derivatives, Liability	73.8	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	16.8	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	3.0	14.2
Fair Value of Derivatives, Liability	13.7	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, Asset	1.2
Fair Value of Derivatives, Liability	4.5	5.9
Derivatives Not Designated as Effective Hedges [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives, Asset	22.1	18.2
Fair Value of Derivatives, Liability	38.8	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

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719

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X

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313

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- Definition

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