Share Based Compensation - Outstanding Options and Rights (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 6.1	$ 5.0	$ 11.9	$ 11.1
Tax benefit from share-based compensation expense	1.5	1.2	2.9	2.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Tax benefit from share-based compensation expense	$ 1.5	$ 1.2	$ 2.9	$ 2.7

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