Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	May 14, 2025
Securities Repurchase Program
Aggregate purchase price (in millions)	$ 93.5	$ 43.3	$ 134.0	$ 76.6
Share repurchase program authorized amount					$ 250.0
Securities Repurchase Program
Securities Repurchase Program
Shares repurchased or acquired (in shares)	496,273	169,206	750,679	390,535
Aggregate purchase price (in millions)	$ 71.3	$ 25.2	$ 111.2	$ 58.1
Average purchase price per share (in dollars per share)	$ 143.70	$ 149.07	$ 148.19	$ 148.87
Remaining amount authorized to be repurchased	$ 295.7		$ 295.7
Acquired Employee Equity Awards
Securities Repurchase Program
Shares repurchased or acquired (in shares)	133,771	120,062	134,593	120,062
Aggregate purchase price (in millions)	$ 22.0	$ 18.3	$ 22.1	$ 18.3
Average purchase price per share (in dollars per share)	$ 164.18	$ 152.10	$ 164.16	$ 152.10

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Total cost of shares repurchased divided by the total number of shares repurchased.

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