EMPLOYEE BENEFIT PLANS (Fair Value of Assets of the Company's Qualified Plan) (Details) - Pension Plans - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 349.3	$ 274.2	$ 306.3
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	349.3	274.2
Level 1 | Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	75.0	73.0
Level 1 | Developed international equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	46.9	34.9
Level 1 | Global low volatility equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	21.0	18.4
Level 1 | Emerging market equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	24.8	20.8
Level 1 | Fixed-income
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	159.9	106.2
Level 1 | Real Estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	19.7	18.9
Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 2.0	$ 2.0