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Share-Based Compensation Plans - Schedule of 2009 ESPP (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax deductions associated with ESPP disqualifying dispositions ($ in millions)	$ 3.5	$ 3.9	$ 3.1
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received related to ESPP purchases ($ in millions)	$ 27.1	$ 29.3	$ 34.4
Weighted average per share discount for compensation expense recognized (in dollars per share)	$ 44.75	$ 41.58	$ 38.57

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Tax Deductions Associated With ESPP Disqualifying Dispositions

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The weighted average discount per share for compensation expense recognized under the 2009 ESPP.

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The cash inflow associated with the amount received from the stock plan during the period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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