Shareholders' Equity (Detail) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2020	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 01, 2020
Stockholders Equity Note Disclosure [Line Items]
Share repurchases		$ 50,000,000.0
Dividends (in dollars per share)		$ 0.25	$ 0.23
Dividends payable		$ 41,200,000		$ 41,200,000
December 2020 Share Repurchase Program
Stockholders Equity Note Disclosure [Line Items]
Repurchase of shares of our common stock up to a maximum aggregate value					$ 750,000,000.0
Common stock authorized for repurchase, expiration date	Dec. 31, 2025
Share repurchase (in shares)		0.6
Share repurchase program remaining available amount		$ 400,000,000.0