Investment in National CineMedia Inc. - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025		Mar. 31, 2024
NCM
Schedule Of Equity Method Investments [Line Items]
Recognized incremental screen rental revenue and offsetting interest expense	$ 5.4		$ 5.5
Amortization of screen advertising advances	$ 8.2		8.1
Investment In NCM
Schedule Of Equity Method Investments [Line Items]
Deferred revenue or NCM screen advertising advances extended term	2041-02
Investment In NCMI
Schedule Of Equity Method Investments [Line Items]
Number of common units of NCM owned by Company	4.4
Unrealized gain (loss)	$ (3.5)	[1]	$ 4.4
Interest in common units of NCM owned by Company	4.50%
Amortization of screen advertising advances	$ 0.0

[1] See Investment in National CineMedia below.