v3.26.1
SEGMENT REPORTING - Reconciliation (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
SEGMENT REPORTING    
Net loss $ (117.1) $ (202.1)
Income tax provision 2.2 1.6
Interest expense 139.9 119.1
Depreciation and amortization 75.7 76.1
Certain operating expense (0.3) 2.8
Equity in earnings of non-consolidated entities (2.7) (0.8)
Attributable EBITDA 0.2 0.4
Investment income (18.3) (5.7)
Other expense (income) (49.7) (57.8)
General and administrative - unallocated:    
Merger, acquisition and other costs 1.1 3.0
Stock-based compensation expense 7.3 5.7
Adjusted EBITDA 38.3 (57.7)
Interest income (0.3) (2.9)
Gains on investments in Hycroft (18.0) (2.8)
Bifurcated embedded derivative, (Increase) Decrease to Net Earnings (Loss) (59.5) (45.1)
Foreign currency transaction (gains) losses 9.0 (13.0)
Net periodic pension cost 0.5 0.3
Debt modifications - third party fees 0.3  
Hycroft    
General and administrative - unallocated:    
Gains on investments in Hycroft (18.0) (2.8)
New exchangeable notes    
General and administrative - unallocated:    
Bifurcated embedded derivative, (Increase) Decrease to Net Earnings (Loss) (52.4)  
Exchangeable Notes    
General and administrative - unallocated:    
Bifurcated embedded derivative, (Increase) Decrease to Net Earnings (Loss) (7.1) (45.1)
Attributable EBITDA    
SEGMENT REPORTING    
Depreciation and amortization 0.2 0.4
Equity in earnings of non-consolidated entities (2.7) (0.8)
Attributable EBITDA 0.2 0.4
General and administrative - unallocated:    
Equity in (earnings) of non-consolidated entities excluding International theatre joint ventures (2.7) (0.8)
AC JV    
SEGMENT REPORTING    
Equity in earnings of non-consolidated entities (2.4) (0.8)
U. S. markets    
SEGMENT REPORTING    
Income tax provision 0.5 0.9
Depreciation and amortization 57.1 58.8
Equity in earnings of non-consolidated entities (2.6) (0.7)
General and administrative - unallocated:    
Stock-based compensation expense 6.6 5.5
Adjusted EBITDA 21.9 (57.1)
International markets    
SEGMENT REPORTING    
Income tax provision 1.7 0.7
Depreciation and amortization 18.6 17.3
Equity in earnings of non-consolidated entities (0.1) (0.1)
General and administrative - unallocated:    
Stock-based compensation expense 0.7 0.2
Adjusted EBITDA $ 16.4 $ (0.6)