Goodwill and Intangible Assets - Other Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets, cost	$ 1,274.1	$ 1,313.8
Total intangible assets, accumulated amortization	276.1	256.6
Total intangible assets, net	998.0	1,057.2
Customer Relationships [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	928.7	960.2
Intangible assets subject to amortization, accumulated amortization	219.3	206.4
Intangible assets subject to amortization, net	709.4	753.8
Product Technology and Patents [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, cost	141.5	141.4
Intangible assets subject to amortization, accumulated amortization	56.7	50.2
Intangible assets subject to amortization, net	84.8	91.2
Tradenames and Trademarks [Member]
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization, cost	203.9	212.2
Intangible assets not subject to amortization, accumulated amortization	0.1
Intangible assets not subject to amortization, net	$ 203.8	$ 212.2