XML 67 R55.htm IDEA: XBRL DOCUMENT v3.23.3
Business Segment Information - Segment Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]    
Total assets $ 1,679.2 $ 1,654.6
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 1,614.3 1,631.8
Operating Segments | Domestic Coke    
Segment Reporting Information [Line Items]    
Total assets 1,443.0 1,422.6
Operating Segments | Brazil Coke    
Segment Reporting Information [Line Items]    
Total assets 10.6 15.7
Operating Segments | Logistics    
Segment Reporting Information [Line Items]    
Total assets 160.7 193.5
Operating Segments | Logistics | Dismal River Terminal ("DRT")    
Segment Reporting Information [Line Items]    
Total assets   21.7
Corporate and Other    
Segment Reporting Information [Line Items]    
Total assets $ 64.9 $ 22.8