Intangibles - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Intangible Assets Disclosure [Line Items]
Trade names	$ 614.2		$ 623.1
Intangible assets, amortization expense	$ 69.0	$ 27.4
Trade Names
Intangible Assets Disclosure [Line Items]
Trade names, useful life	5 years
Backlog
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	14 years
Patents
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	13 years
Customer relationships
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	17 years
Other Intangibles
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	9 years