Share Based Compensation - Outstanding Options and Rights (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 5.0	$ 5.4	$ 11.1	$ 10.8
Tax benefit from share-based compensation expense	1.2	1.4	2.7	2.6
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Tax benefit from share-based compensation expense	$ 1.2	$ 1.4	$ 2.7	$ 2.6

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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+ Details