v3.25.4
INCOME TAXES - Reconciliation of effective tax rate (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Income tax expense (benefit) at the federal statutory rate $ (131.9) $ (73.6) $ (82.5)
State income taxes $ (21.1) $ (5.8) $ (16.8)
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration] stpr:CA, stpr:IL, stpr:NJ, stpr:NY stpr:CA, stpr:IL, stpr:NY stpr:CA, stpr:IL, stpr:NY
Tax Credits $ 1.4 $ 1.5 $ 1.3
Nondeductible compensation 4.3 9.5 3.9
Litigation   (8.4) 20.8
Disqualified debt interest 7.5 3.8 (38.4)
Other 0.5 0.6 (2.7)
Changes in unrecognized tax benefits     (0.2)
Income tax expense/Effective income tax rate $ 4.5 $ 2.1 $ 3.4
Percent      
Income tax expense (benefit) at the federal statutory rate 21.00% 21.00% 21.00%
State and Local Income Taxes 3.40% 1.70% 4.30%
Tax Credits 0.20% 0.40% 0.30%
Nondeductible compensation (0.70%) (2.70%) (1.00%)
Litigation   2.40% (5.30%)
Disqualified debt interest (1.20%) (1.10%) 9.80%
Other (0.10%) (0.20%) 0.70%
Changes in unrecognized tax benefits     0.10%
Income tax expense/Effective income tax rate (0.70%) (0.60%) (0.90%)
U.S.      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Valuation allowance adjustments $ 78.9 $ 37.1 $ 51.7
Other $ 4.3   $ 12.1
Percent      
Valuation allowance adjustments (12.60%) (10.60%) (13.20%)
Other (0.70%)   (3.10%)
State      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Valuation allowance adjustments $ 23.4 $ 5.0 $ 18.1
Percent      
Valuation allowance adjustments (3.70%) (1.40%) (4.60%)
United Kingdom      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Statutory Tax Rate Difference between the UK and the United States $ (5.4) $ (5.0) $ (3.7)
Valuation allowance adjustments 33.5 29.6 $ 35.2
Other $ 5.4 $ 2.1  
Percent      
Statutory Tax Rate Difference between the UK and the United States 0.90% 1.40% 0.90%
Valuation allowance adjustments (5.30%) (8.40%) (9.00%)
Other (0.90%) (0.60%)  
Italy      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Valuation allowance adjustments $ 1.4 $ 6.0 $ 12.1
Return-to-provision (0.2) (3.9) (7.0)
Other $ (0.3) $ (2.4) $ (3.1)
Percent      
Valuation allowance adjustments (0.20%) (1.70%) (3.10%)
Return-to-provision 0.00% 1.10% 1.80%
Other 0.00% 0.70% 0.80%
Germany      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Nondeductible items $ 3.3 $ 0.9 $ 0.9
Valuation allowance adjustments (5.5) 0.2 (1.4)
Other $ 1.4 $ 1.5 $ (2.5)
Percent      
Nondeductible items (0.50%) (0.30%) (0.20%)
Valuation allowance adjustments 0.90% (0.10%) 0.40%
Other (0.20%) (0.40%) 0.60%
Other Foreign Jurisdictions      
Reconciliation of effective tax rate on earnings (loss) from continuing operations before income taxes and the U.S. federal income tax statutory rate      
Other Foreign Jurisdictions $ 6.4 $ 6.4 $ 8.2
Percent      
Other Foreign Jurisdictions (1.00%) (1.80%) (2.10%)