Goodwill and Intangible Assets - Other Intangible Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets, cost	$ 1,304.8	$ 1,313.8
Total intangible assets, accumulated amortization	268.8	256.6
Total intangible assets, net	1,036.0	1,057.2
Customer Relationships [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	953.0	960.2
Intangible assets subject to amortization, accumulated amortization	215.1	206.4
Intangible assets subject to amortization, net	737.9	753.8
Product Technology and Patents [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	141.6	141.4
Intangible assets subject to amortization, accumulated amortization	53.6	50.2
Intangible assets subject to amortization, net	88.0	91.2
Tradenames and Trademarks [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization, cost	210.2	212.2
Intangible assets not subject to amortization, accumulated amortization	0.1
Intangible assets not subject to amortization, net	$ 210.1	$ 212.2