DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024	Jun. 27, 2023
Current Portion of Long-Term Debt
Debt issuance discount and fees	$ (1.2)	$ (1.2)
Total short-term borrowings and current portion of long-term debt	74.5	74.8
Long-Term Debt
Debt issuance discount and fees	(14.2)	(16.3)
Total long-term debt	$ 1,052.1	1,049.7
Senior notes | 7.5% senior notes due 2030
Debt Instrument [Line Items]
Stated interest rate	7.50%		7.50%
Long-Term Debt
Debt, gross	$ 494.3	494.0
Senior notes | Secured debt | 7.5% senior notes due 2030
Current Portion of Long-Term Debt
Current portion of senior notes	75.7	76.0
Line of credit | Secured debt | Senior secured term loan A due 2028
Long-Term Debt
Debt, gross	417.3	417.3
Line of credit | Secured debt | Senior secured term loan B due 2030
Long-Term Debt
Debt, gross	154.7	154.7
Line of credit | Revolving credit facility
Long-Term Debt
Debt, gross	$ 0.0	$ 0.0