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Derivatives and Hedging Activities - Fair Value of Derivative Instruments (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	$ 72.2	$ 63.4
Total Derivative Liabilities	(56.8)	(68.0)
Net Derivatives	15.4	(4.6)
Not Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	25.0	41.3
Total Derivative Liabilities	(43.5)	(67.6)
Net Derivatives	(18.5)	(26.3)
Foreign Currency Forward Contracts [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	28.2	45.6
Total Derivative Liabilities	(44.8)	(68.0)
Foreign Currency Forward Contracts [Member] | Not Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	25.0	41.3
Total Derivative Liabilities	(43.5)	(67.6)
Interest Rate and Currency Swap [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	44.0	17.8
Cross-Currency Swaps [Member]
Derivatives Fair Value [Line Items]
Total Derivative Liabilities	(12.0)
Cash Flow Hedge [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	47.2	22.1
Total Derivative Liabilities	(1.3)	(0.4)
Net Derivatives	45.9	21.7
Cash Flow Hedge [Member] | Foreign Currency Forward Contracts [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	3.2	4.3
Total Derivative Liabilities	(1.3)	(0.4)
Cash Flow Hedge [Member] | Interest Rate and Currency Swap [Member]
Derivatives Fair Value [Line Items]
Foreign currency forward contracts	44.0	$ 17.8
Net Investment Hedge [Member]
Derivatives Fair Value [Line Items]
Total Derivative Liabilities	(12.0)
Net Derivatives	(12.0)
Net Investment Hedge [Member] | Cross-Currency Swaps [Member]
Derivatives Fair Value [Line Items]
Total Derivative Liabilities	$ (12.0)

X

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
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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
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+ References

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