Goodwill and Intangible Assets - Other Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets, cost	$ 1,246.7	$ 1,313.8
Total intangible assets, accumulated amortization	283.5	256.6
Total intangible assets, net	963.2	1,057.2
Customer Relationships [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	907.1	960.2
Intangible assets subject to amortization, accumulated amortization	223.3	206.4
Intangible assets subject to amortization, net	683.8	753.8
Product Technology and Patents [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	141.4	141.4
Intangible assets subject to amortization, accumulated amortization	60.0	50.2
Intangible assets subject to amortization, net	81.4	91.2
Tradenames and Trademarks [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization, cost	198.2	212.2
Intangible assets not subject to amortization, accumulated amortization	0.2
Intangible assets not subject to amortization, net	$ 198.0	$ 212.2