Goodwill and Other Identifiable Intangible Assets - Identifiable Intangible Assets (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Acquired Intangible Assets by Major Class [Line Items]
Impairment charges, excluding goodwill	$ 2,700,000	$ 0	$ 0
Finite-life intangibles, cost	1,204,600,000	605,100,000
Accumulated amortization	(358,900,000)	(352,200,000)
Finite-life intangibles, net	845,700,000	252,900,000
Indefinite-life intangibles	248,900,000	175,100,000
Total intangibles, cost	1,453,500,000	780,200,000
Total intangibles, net	1,094,600,000	428,000,000.0
Amortization	52,500,000	26,300,000	$ 28,400,000
Customer relationships
Acquired Intangible Assets by Major Class [Line Items]
Finite-life intangibles, cost	1,100,900,000	558,800,000
Accumulated amortization	(308,900,000)	(320,100,000)
Finite-life intangibles, net	792,000,000.0	238,700,000
Proprietary technology and patents
Acquired Intangible Assets by Major Class [Line Items]
Finite-life intangibles, cost	89,300,000	46,300,000
Accumulated amortization	(35,600,000)	(32,100,000)
Finite-life intangibles, net	53,700,000	14,200,000
Other intangible assets
Acquired Intangible Assets by Major Class [Line Items]
Finite-life intangibles, cost	14,400,000	0
Accumulated amortization	(14,400,000)	0
Finite-life intangibles, net	$ 0	$ 0