PENSION AND POST-RETIREMENT PLANS - DEFINED CONTRIBUTION PLANS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
401 K plan
Defined Contribution Plans
Employer matching contribution expenses	$ 6.3	$ 4.6	$ 4.2
401 K plan | Maximum
Defined Contribution Plans
Employer matching contribution (as a percent)	3.00%
Employer matching contribution for select group of employees (as a percent)	4.00%
Profit sharing plan
Defined Contribution Plans
Profit sharing expense recorded	$ 2.2	$ 3.1	$ 3.1