Derivative Instruments and Hedging Activities - Gains (Losses) Relating to Derivative Instruments Recorded in Other Comprehensive Loss (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] | Derivatives designated as hedging instruments [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Gain (Loss) Recognized in Other Comprehensive Loss | $ (7.9) | $ 8.1 | $ 14.8 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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