Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Details)

v3.24.3
Debt - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Other subsidiary debt $ 1,205.7 $ 1,107.9
2029 Senior Notes    
Debt Instrument [Line Items]    
Debt instruments, principal payments 43.8  
2029 Senior Notes | AST    
Debt Instrument [Line Items]    
Principal amount of notes issued 120.0  
ABL Credit Facility    
Debt Instrument [Line Items]    
Maximum borrowing capacity 266.4  
Principal amount borrowed 163.0  
Letters of credit outstanding amount 14.7  
Remaining credit facility 88.7  
Monarch Note    
Debt Instrument [Line Items]    
Debt instruments, principal payments 32.8  
Equify Note    
Debt Instrument [Line Items]    
Debt instruments, principal payments 4.0  
Revolving Credit Facility | BPC    
Debt Instrument [Line Items]    
Other subsidiary debt 5.0  
Finance Lease Obligations | BPC    
Debt Instrument [Line Items]    
Other subsidiary debt 6.5  
Note Payable | BPC    
Debt Instrument [Line Items]    
Other subsidiary debt $ 9.4  
Minimum | Alpine 2023 Term Loan    
Debt Instrument [Line Items]    
Debt instrument, leverage ratio 2.00%  
Maximum | Alpine 2023 Term Loan    
Debt Instrument [Line Items]    
Debt instrument, leverage ratio 1.00%