Quarterly report pursuant to Section 13 or 15(d)

Commitments

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Commitments
6 Months Ended
Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]  
Commitments Commitments
Letters of Credit

Under the Revolving Credit Facility, the Company had a total capacity of $325.0 million at March 31, 2024 that may be used for a combination of cash borrowings and letter of credit issuances. At March 31, 2024, the Company had aggregate letters of credit outstanding in the amount of $8.2 million, primarily related to certain insurance policies as described in Note 2 - Significant Accounting Policies.
Purchase Commitments
As of March 31, 2024, the Company had unconditional purchase commitments for diesel fuel and natural gas in the normal course of business in the aggregate amount of $2.4 million. Management does not expect any significant changes in the market value of these goods during the commitment period that would have a material adverse effect on the financial condition, results of operations and cash flows of the Company. As of March 31, 2024, the Company’s purchase commitments for the remainder of fiscal 2024 and in 2025 were as follows (unaudited, in thousands):
Fiscal Year Amount
Remainder of 2024 $ 1,734 
2025 696 
Total $ 2,430 
Minimum Royalties

The Company has lease agreements associated with aggregates facilities under which the Company makes royalty payments. These agreements are outside the scope of Topic 842. The payments are generally based on tons sold in a particular period; however, certain agreements have minimum annual payments. The Company had commitments in the form of minimum royalties as of March 31, 2024 in the amount of $2.5 million, due as follows (unaudited, in thousands):

Fiscal Year Amount
Remainder of 2024 $ 238 
2025 256 
2026 192 
2027 180 
2028 145 
Thereafter 1,470 
Total $ 2,481 

Royalty expense recorded in cost of revenue was $0.4 million for each of three months ended March 31, 2024 and 2023, and $0.8 million for each of the six months ended March 31, 2024 and 2023.