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Derivatives and Hedging Activity - Summary of Notional and Fair Values of Derivative Instruments (Detail) - USD ($)		Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Notional Amount		$ 831,700,000	$ 901,400,000
Derivatives Assets		21,200,000	9,600,000
Derivative Liabilities		52,400,000	25,800,000
Other noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives Assets		8,500,000	5,700,000
Other noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities			7,900,000
Interest Rate Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional Amount		800,000,000.0	850,000,000.0
Interest Rate Contracts [Member] | Other current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives Assets		2,800,000	3,000,000.0
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		25,000,000.0	13,000,000.0
Interest Rate Contracts [Member] | Other noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		23,000,000.0
Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	[1]	31,700,000	51,400,000
Foreign Exchange Contracts [Member] | Other current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives Assets	[1]	4,500,000	900,000
Foreign Exchange Contracts [Member] | Accrued compensation and other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	[1]	1,800,000	$ 4,900,000
Foreign Exchange Contracts [Member] | Other noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		$ 2,600,000
[1] 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. Included within foreign exchange contracts at December 31, 2018 were $276.4 million of call options offset with $276.4 million of put options, and $23.1 million of buy forwards offset with $72.9 million of sell forwards.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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