Goodwill and Other Identifiable Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 14.3	$ 13.4	$ 28.5	$ 26.9
Impairment of intangible assets	$ 30.9	$ 0.0	$ 30.9	$ 0.0