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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
Schedule of Debt
Long-term debt consisted of the following (in millions):
 As of June 30,As of December 31,
 20242023
Senior Notes due 2028, net of unamortized debt issuance costs of $2.2 and $2.5, respectively
$297.8 $297.5 
Term loan, net of unamortized debt issuance costs of $4.4 for each period, respectively
494.3 485.6 
Vehicle and equipment notes, maturing through June 2029; payable in various monthly installments, including interest rates ranging from 1.9% to 7.3%
83.1 83.0 
Note payable, maturing April 2025; payable in annual installments, including interest rate at 5.0%
0.6 1.2 
875.8 867.3 
Less: current maturities(31.8)(32.2)
Long-term debt, less current maturities$844.0 $835.1 
Schedule of Maturities of Long-term Debt
Remaining required repayments of debt principal, gross of unamortized debt issuance costs, as of June 30, 2024 are as follows (in millions):
Remainder of 2024$16.4 
202529.5 
202625.2 
202720.6 
2028313.3 
Thereafter477.4