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Stockholder's Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	9 Months Ended
	Aug. 05, 2026	Apr. 07, 2026	Sep. 30, 2026	Sep. 30, 2026	Sep. 30, 2025	Aug. 26, 2026	Apr. 29, 2026	Dec. 31, 2025
Stockholders Equity [Line Items]
Total distribution			$ 1,148.1	$ 3,521.8
Dividends payable current			54.1	54.1				$ 0.0
Share repurchase program, authorized amount						$ 150.0	$ 100.0
Repurchases of common stock				157.0	$ 0.0
Commissions on share repurchases			0.3	0.3
Excise tax on share repurchases			1.6	1.6
Share repurchases				93.3
Maximum [Member]
Stockholders Equity [Line Items]
Share repurchase program, authorized amount						$ 250.0
Common Stock [Member]
Stockholders Equity [Line Items]
Repurchases of common stock			156.7	156.7
Share repurchases			17.7	17.7
S 2026 Dividends [Member]
Stockholders Equity [Line Items]
Total distribution				3,435.2
S 2026 Q2 Dividends [Member]
Stockholders Equity [Line Items]
Distribution declared date		Apr. 07, 2026
Cash distribution declared per share		$ 10
Distribution date to be paid		Apr. 27, 2026
Distribution record date		Apr. 17, 2026
S 2026 Q3 Dividends [Member]
Stockholders Equity [Line Items]
Distribution declared date	Aug. 05, 2026
Common stock additional dividends per share declared	$ 5
Distribution date to be paid	Aug. 27, 2026
Distribution record date	Aug. 17, 2026
Special dividend equivalents			86.6	86.6
Dividends payable current			54.1	54.1
Dividends payable non-current			$ 32.5	$ 32.5