XML 62 R52.htm IDEA: XBRL DOCUMENT v3.25.3
Intangible Assets, Goodwill and Other (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
May 01, 2024
Goodwill [Line Items]            
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net $ 0.0   $ 0.0   $ 48.6  
Intangible Assets, Net (Excluding Goodwill) 2.7   2.7   4.3  
Goodwill and intangible assets 2.7   2.7   $ 52.9  
Goodwill, Measurement Period Adjustment     (0.7)      
Goodwill, Impairment Loss 48.0 $ 0.0 48.0 $ 0.0    
Amortization of Intangible Assets     (1.6)      
Manchester Industries, Mill Acquisition            
Goodwill [Line Items]            
Goodwill, Impairment Loss     35.1      
Augusta, Georgia Mill Acquisition [Member]            
Goodwill [Line Items]            
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net $ 12.9   12.9     $ 13.7
Goodwill, Measurement Period Adjustment     (0.8)      
Goodwill, Impairment Loss     $ 12.9