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SHARE-BASED COMPENSATION AND BENEFIT PLANS (Nonqualified Deferred Compensation Plan) (Narrative) (Details) - Nonqualified Deferred Compensation Plan [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Share-Based Compensation and Benefit Plans      
Deferred compensation plan obligation $ 62.2   $ 59.5
Deferred compensation plan cost recognized $ 0.1 $ 0.1