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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Jul. 31, 2024	Jul. 31, 2023
Class of Stock [Line Items]
Payments for repurchase of common stock	$ 228.1		$ 111.9		$ 281.0	$ 246.6
Quarterly cash dividend paid	$ 0.24	$ 0.24	$ 0.2	$ 0.2
Dividends paid on common stock	$ 119.8		$ 101.2		$ 119.8	$ 101.2
Stock Repurchase Program [Member]
Class of Stock [Line Items]
Repurchase of common stock , shares	3,700,000		2,000,000		4,500,000	4,300,000
Payments for repurchase of common stock	$ 228.1		$ 111.9		$ 281.0	$ 246.6
Maximum [Member]
Class of Stock [Line Items]
Stock repurchase program, authorized amount							$ 1,000.0	$ 1,000.0

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