Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities - Gains (Losses) Relating to Derivative Instruments Recorded in Other Comprehensive (loss) Income (Detail)

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Derivative Instruments and Hedging Activities - Gains (Losses) Relating to Derivative Instruments Recorded in Other Comprehensive (loss) Income (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
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 Loss Recognized in Other Comprehensive (Loss) Income $ (1.9) $ (3.6) $ (7.9)