Fair Value Measurements - Derivative Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative assets	$ 4.5	$ 8.1
Fair value derivative liabilities	7.6	4.2
Foreign exchange currency contracts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative assets	4.5	8.1
Fair value derivative liabilities	7.6	4.2
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value measurements, assets total	4.5	8.1
Fair value measurements, liabilities total	7.6	4.2
Significant Other Observable Inputs (Level 2) [Member] \| Derivatives designated as hedging instruments [Member] \| Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] \| Prepaid expenses and other current assets [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative assets	0.2	4.1
Significant Other Observable Inputs (Level 2) [Member] \| Derivatives designated as hedging instruments [Member] \| Foreign exchange currency contracts relating to inventory and intercompany management fee hedges [Member] \| Other current liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative liabilities	2.3	0.0
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]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative assets	4.3	4.0
Significant Other Observable Inputs (Level 2) [Member] \| Derivatives not designated as hedging instruments [Member] \| Foreign exchange currency contracts [Member] \| Other current liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value derivative liabilities	$ 5.3	$ 4.2

Fair value portion of asset recognized for present right to economic benefit.

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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.

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Fair value of financial and nonfinancial obligations.

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