EMPLOYEE BENEFIT PLANS (Expected Benefit Payments) (Details) $ in Millions	Dec. 31, 2019 USD ($)
Defined Benefit Plan Disclosure
Estimated future employer contributions in next fiscal year	$ 1.0
Pension Benefits
Defined Benefit Plan, Estimated Future Benefit Payments
2019	11.3
2020	11.0
2021	10.8
2022	10.6
2023	15.7
Years 2024 through 2028	51.8
Other Benefits
Defined Benefit Plan, Estimated Future Benefit Payments
2019	0.8
2020	0.8
2021	0.7
2022	0.7
2023	0.7
Years 2024 through 2028	$ 2.7