BENEFIT PLANS - Employer Contributions for Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Employer Contributions	$ 14.6	$ 8.7	$ 7.4
2026 (estimated)	7.7
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Employer Contributions	3.0	$ 3.4	$ 5.2
2026 (estimated)	$ 4.3