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Stock Repurchase (Details) - May 2023 stock repurchase program - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	9 Months Ended
	May 31, 2025	Sep. 30, 2025	Sep. 30, 2024	May 31, 2023
Stock Repurchase
Common stock authorized for repurchase, maximum				$ 250.0
Share repurchases, increase in remaining authorized for repurchase	$ 250.0
Stock repurchases, amount remaining available		$ 240.0
Stock repurchased (shares)		580,257	530,812
Stock repurchased during period (value)		$ 57.6	$ 38.4
Weighted average price per share of common stock (in dollars per share)		$ 99.23	$ 72.3
Excise tax related to the stock repurchases as treasury stock		$ 0.2	$ 0.3

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Amount of increase in the remaining authorized amount 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 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 during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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