PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Retirement Benefits [Abstract]
Pension and other postretirement benefit plans	$ 0.3	$ 4.0	$ 6.8	$ 7.7

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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+ Details