Capital Stock - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Apr. 30, 2025	Mar. 31, 2025
Class of Stock [Line Items]
Treasury stock repurchased, shares		1,800,000
Treasury stock repurchase, aggregate cost		$ 67,477,000
Treasury stock including excise tax		$ 67,900,000
Percentage of Excise Tax		1.00%
Stock repurchase program, authorized amount		$ 948,600,000
Subsequent Event
Class of Stock [Line Items]
Treasury stock repurchased, shares	1,100
Treasury stock repurchase, aggregate cost	$ 44,000