Derivative Instruments and Risk Management - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Not Designated as Hedging Instrument [Member] \| Foreign Currency Forward Exchange Contracts [Member] \| Other net income/(expense) [Member]
Derivative [Line Items]
Amount of gain/(loss) recognized in income	$ 1.9	$ 0.2
Designated as Hedging Instrument [Member] \| Interest Rate Swaps [Member] \| Accumulated Other Comprehensive Loss [Member]
Derivative [Line Items]
Amount of gain/(loss) recognized in income		$ (0.7)

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

Name:	us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration