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Derivatives and Hedging Activities - Effect of Derivative Instruments on Condensed Consolidated Statements of Operations (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | $ (22.8) | $ (5.5) | $ (42.4) | $ 48.4
Designated as Hedging Instruments [Member] | Interest Rate and Currency Swap [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | 12.0 | 4.0 | (22.0) | 13.0
Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | (14.8) | (2.3) | (23.9) | 13.6
Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | (1.5) | 2.9 | 0.2 | 3.7
Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Interest Rate and Currency Swap [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | (13.3) | (5.2) | (24.2) | 9.8
Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Treasury Lock [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives |  |  | 0.1 | 0.1
Designated as Hedging Instruments [Member] | Fair Value Hedges [Member] | Interest Rate Swaps [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | 0.1 | 0.1 | 0.2 | 0.2
Not Designated as Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member] |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Earnings on Derivatives | $ (8.1) | $ (3.3) | $ (18.7) | $ 34.6

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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