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Long-Term Debt
 9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Long-Term Debt Long-Term Debt
A summary of long-term debt follows (in millions):
September 30,
2023		December 31,
2022
Senior secured term loan (1)
$1,370.4 $1,370.0 
6.750% senior unsecured notes due 2025
185.0 185.0 
10.000% senior unsecured notes due 2027
320.0 320.0 
Notes payable and other secured loans194.2 171.3 
Finance lease obligations641.2 585.7 
Less: unamortized debt issuance costs and discounts(8.5)(10.2)
Total debt2,702.3 2,621.8 
Less: Current maturities62.1 62.8 
Total long-term debt$2,640.2 $2,559.0 
(1)Includes unamortized fair value discount of $1.8 million and $2.1 million as of September 30, 2023 and December 31, 2022, respectively.
On January 13, 2023, the Company entered into an amendment to its credit agreement, dated as of August 31, 2017 (the "Credit Agreement"), to provide a $203.8 million increase in the outstanding commitments under its revolving credit facility (the "Revolver").
As of September 30, 2023, the Company's availability on its Revolver was $544.9 million (including outstanding letters of credit of $8.9 million). There were no outstanding borrowings under the Revolver as of both September 30, 2023 and December 31, 2022.
On June 8, 2023, the Company entered into an amendment to the Credit Agreement to transition the interest benchmark from the London Interbank Offered Rate ("LIBOR") to the Secured Overnight Financing Rate ("SOFR") effective July 1, 2023.