Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023
Income Tax [Line Items]
Deferred tax assets, valuation allowance	$ 22.2		$ 22.2		$ 22.5
Decrease in unrecognized tax positions	7.0		7.0
Valuation allowance attributable to the unrealized holding loss on available for sale short-term investments	1.3		1.3		$ 1.0
Unfavorable discrete adjustment	$ 5.3		$ 5.3
Effective tax rate impact associated with stock-based compensation and previously recorded tax reserves	0.60%	1.20%	0.70%	0.30%
Interest and penalties	$ 2.9		$ 2.9
LCB Trademark [Member]
Income Tax [Line Items]
Gain on sale	$ 22.1		$ 22.1
Percentage of effective tax on gain on sale of intangible asset	24.10%		24.10%