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Fair Value Measurements - Derivative Assets and Liabilities Measured at Fair Value (Detail) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative assets | $ 12.1 | $ 8.0 |
| Fair value derivative liabilities | 21.4 | 5.1 |
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Foreign exchange currency contracts [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative assets | 12.1 | 8.0 |
| Fair value derivative liabilities | 21.4 | 5.1 |
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Significant Other Observable Inputs (Level 2) [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value measurements, assets total | 12.1 | 8.0 |
| Fair value measurements, liabilities total | 21.4 | 5.1 |
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Significant Other Observable Inputs (Level 2) [Member] | Derivatives designated as cash flow hedging instruments [Member] | Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] | Prepaid expenses and other current assets [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative assets | 9.5 | 5.7 |
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Significant Other Observable Inputs (Level 2) [Member] | Derivatives designated as cash flow hedging instruments [Member] | Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] | Accrued expenses [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative liabilities | 7.6 | 4.4 |
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Significant Other Observable Inputs (Level 2) [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange currency contracts [Member] | Prepaid expenses and other current assets [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative assets | 2.6 | 2.3 |
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Significant Other Observable Inputs (Level 2) [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange currency contracts [Member] | Accrued expenses [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value derivative liabilities | $ 13.8 | $ 0.7 |