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BASIS OF PRESENTATION (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
segment
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Number of reportable segments | segment     2    
Short-term finance lease obligations $ 1.6   $ 1.6   $ 1.5
Long-term finance lease liabilities 9.8   9.8   $ 10.5
Amortization expense 0.5 $ 7.9 1.7 $ 12.1  
Asset impairment charges $ 0.0 101.4 $ 0.0 101.4  
Goodwill discount rate (in percent) 26.20%   26.20%    
Aggregate impairment loss $ 0.0 42.3 $ 0.0 42.3  
Intangible asset impairment   31.2   31.2  
Impairment loss   5.2   5.2  
Impairment of right-of-use assets   2.7   2.7  
Finance lease, impairment loss   2.5   2.5  
Property, Plant and Equipment          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Aggregate impairment loss   5.9   5.9  
Customer Relationships          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Intangible asset impairment   0.3   0.3  
Technology-Based Intangible Assets          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Intangible asset impairment   23.2   23.2  
Trade Names          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Intangible asset impairment   $ 7.7   $ 7.7