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Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Parenthetical) (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Other Current Assets [Member] | Foreign Exchange Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Foreign exchange contract derivative assets |  | $ 1.1
Other Current Assets [Member] | Interest Rate Hedge [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Interest rate hedge derivative assets |  | 0.8
Other Current Liabilities [Member] | Foreign Exchange Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Forward foreign exchange contract derivative liabilities | $ 6.5 | 1.3
Other Noncurrent Liabilities [Member] | Interest Rate Hedge [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Interest rate hedge liabilities | $ 14.0 | $ 6.5

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