Shareholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	Dec. 18, 2023	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 12, 2025	Dec. 31, 2024	Dec. 15, 2023
Share Repurchase Program [Line Items]
Repurchase of common stock (in shares)		2,565,964	93,874	3,364,214	278,695
Repurchase aggregate cost		$ 250.4	$ 13.0	$ 339.8	$ 35.0
Share price (in dollars per share)								$ 128.95
Future cash settlement accrual for executed repurchases of common stock		$ 1.9		$ 1.9			$ 3.0
2021 Stock Repurchase Program
Share Repurchase Program [Line Items]
Repurchase authority remaining program						$ 125.6
Repurchase of common stock (in shares)		0	93,874	212,012	278,695
Repurchase aggregate cost		$ 0.0	$ 13.0	$ 24.0	$ 35.0
2025 Stock Repurchase Program
Share Repurchase Program [Line Items]
Authorized stock repurchase amount						$ 500.0
Repurchase authority remaining program		$ 184.2		$ 184.2
Repurchase of common stock (in shares)		2,565,964	0	3,152,202	0
Repurchase aggregate cost		$ 250.4	$ 0.0	$ 315.8	$ 0.0
Stock Repurchase Agreement with The Duchossois Group, Inc Affiliate
Share Repurchase Program [Line Items]
Repurchase of common stock (in shares)	1,000,000
Price per common stock (in dollars per share)	$ 123.75
Purchase discount	4.03%
Stock Repurchase Agreement with The Duchossois Group, Inc Affiliate | Affiliate Of Duchossois Group, Inc.
Share Repurchase Program [Line Items]
Repurchase aggregate cost	$ 123.8