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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Stock-Based Compensation (Deferred Stock Compensation Program) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate amount of compensation deferred during 2023	$ 11.2	$ 10.8
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate amount of compensation deferred during 2023	0.1
Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate amount of compensation deferred during 2023	4.3
Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate amount of compensation deferred during 2023	$ 0.6