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Derivatives and Hedging Activity - Summary of Notional and Fair Values of Derivative Instruments (Detail) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019
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Derivatives, Fair Value [Line Items] |  |  |
Notional Amount |  | $ 606,300,000 | $ 831,700,000
Derivatives Assets |  | 6,700,000 | 21,200,000
Derivative Liabilities |  | 82,700,000 | 52,400,000
Interest Rate Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional Amount |  | 550,000,000.0 | 800,000,000.0
Interest Rate Contracts [Member] | Other current Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives Assets |  |  | 2,800,000
Interest Rate Contracts [Member] | Other noncurrent Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives Assets |  |  | 5,400,000
Interest Rate Contracts [Member] | Accrued compensation and other current liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Liabilities |  | 30,300,000 | 25,000,000.0
Interest Rate Contracts [Member] | Other noncurrent Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Liabilities |  | 47,500,000 | 23,000,000.0
Foreign Exchange Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional Amount | [1] | 56,300,000 | 31,700,000
Foreign Exchange Contracts [Member] | Other current Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives Assets | [1] | 2,800,000 | 4,500,000
Foreign Exchange Contracts [Member] | Other noncurrent Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives Assets |  | 3,900,000 | 8,500,000
Foreign Exchange Contracts [Member] | Accrued compensation and other current liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Liabilities | [1] | 2,300,000 | 1,800,000
Foreign Exchange Contracts [Member] | Other noncurrent Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Liabilities |  | $ 2,600,000 | $ 2,600,000
[1] | Included within foreign exchange contracts at September 30, 2020 were $220.2 million of call options offset with $220.2 million of put options, and $10.4 million of buy forwards offset with $66.7 million of sell forwards. Included within foreign exchange contracts at December 31, 2019 were $342.0 million of call options offset with $342.0 million of put options, and $12.1 million of buy forwards offset with $43.8 million of sell forwards.

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