v3.26.1
FINANCING ARRANGEMENTS - Schedule of Components of Debt (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Principal Amount $ 1,948.8 $ 1,948.9
Unamortized discount and debt issuance cost 24.3 25.8
Net Debt 1,924.5 1,923.1
Less short-term and current portion of long-term debt 0.5 0.5
Less short-term debt, Unamortized discount and debt issuance cost 0.0 0.0
Less short-term debt, Net Debt 0.5 0.5
Total long-term debt, net of current portion, Principal Amount 1,948.3 1,948.4
Total long-term debt, net of current position, Unamortized discount and debt issuance cost 24.3 25.8
Total long-term debt, net of current portion, Net Debt 1,924.0 1,922.6
Senior secured revolving credit facility due 2030 | Revolving Credit Facility    
Debt Instrument [Line Items]    
Principal Amount 0.0 0.0
Unamortized discount and debt issuance cost 0.0 0.0
Net Debt $ 0.0 $ 0.0
Weighted average interest rate 0.00% 0.00%
Senior secured term loan due 2029 | Secured Debt    
Debt Instrument [Line Items]    
Principal Amount $ 570.7 $ 570.7
Unamortized discount and debt issuance cost 10.9 11.7
Net Debt $ 559.8 $ 559.0
Weighted average interest rate 5.42% 6.01%
7.125% senior notes due 2030 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 7.125% 7.125%
Principal Amount $ 725.0 $ 725.0
Unamortized discount and debt issuance cost 5.9 6.2
Net Debt $ 719.1 $ 718.8
Weighted average interest rate 7.125% 7.125%
6.250% senior notes due 2031 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 6.25% 6.25%
Principal Amount $ 650.0 $ 650.0
Unamortized discount and debt issuance cost 7.5 7.9
Net Debt $ 642.5 $ 642.1
Weighted average interest rate 6.25% 6.25%
Other Debt    
Debt Instrument [Line Items]    
Principal Amount $ 3.1 $ 3.2
Unamortized discount and debt issuance cost 0.0 0.0
Net Debt $ 3.1 $ 3.2