PENSION AND NON-PENSION POST-EMPLOYMENT BENEFIT PLANS - Schedule of Estimated Plan Contributions (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan	$ 14.6	$ 13.8	$ 12.7
Defined benefit plan	2.2	2.5	1.6
Total pension plans	16.8	16.3	14.3
Defined contribution plan, estimated contribution next fiscal year	14.6
Defined benefit plans, estimated contribution next fiscal year	1.8
Total pension plans, estimated contribution next fiscal year	16.4
Other Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Non-pension post-employment benefit plans	4.8	$ 5.1	$ 5.4
Defined benefit plans, estimated contribution next fiscal year	$ 5.4

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