Schedule of Amortizable Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of intangible assets	$ 9.3	$ 1.6
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Intangible Assets, Net (Excluding Goodwill)	Intangible Assets, Net (Excluding Goodwill)