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FINANCING ARRANGEMENTS - Components of Long-Term Debt (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |
Principal Amount | $ 2,216.3 | $ 1,873.3
Unamortized discount and debt issuance cost | 37.4 | 14.4
Net Debt | 2,178.9 | 1,858.9
Less short-term and current portion of long-term debt, Principal Amount | 2.2 | 8.6
Less short-term and current portion of long-term debt, Unamortized discount and debt issuance costs | 0.0 | 0.0
Less short-term and current portion of long-term debt, Net Debt | 2.2 | 8.6
Total long-term debt, net of current portion, Principal Amount | 2,214.1 | 1,864.7
Total long-term debt, net of current portion, Unamortized discount and debt issuance cost | 37.4 | 14.4
Total long-term debt, net of current portion | 2,176.7 | 1,850.3
Senior secured term loan due 2026 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Principal Amount | 426.9 | 611.5
Unamortized discount and debt issuance cost | 3.3 | 6.2
Net Debt | $ 423.6 | $ 605.3
Weighted average interest rate | 3.81% | 1.85%
Senior secured term loan due 2029 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 404.7 |
Unamortized discount and debt issuance cost | 19.2 |
Net Debt | $ 385.5 |
Weighted average interest rate | 6.53% |
5.75% senior notes due 2025 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.75% | 5.75%
Principal Amount | $ 650.0 | $ 650.0
Unamortized discount and debt issuance cost | 4.8 | 6.8
Net Debt | $ 645.2 | $ 643.2
Weighted average interest rate | 5.75% | 5.75%
7.125% senior notes due 2030 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 7.125% |
Principal Amount | $ 725.0 |
Unamortized discount and debt issuance cost | 10.1 |
Net Debt | $ 714.9 |
Weighted average interest rate | 7.125% |
5.25% senior notes due 2023 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage |  | 5.25%
Principal Amount |  | $ 600.0
Unamortized discount and debt issuance cost |  | 1.4
Net Debt |  | $ 598.6
Weighted average interest rate |  | 5.25%
Other Debt |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 9.7 | $ 11.8
Unamortized discount and debt issuance cost | 0.0 | 0.0
Net Debt | 9.7 | 11.8
Revolving Credit Facility | Senior secured revolving credit facility due 2026 |  |
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%

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