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Long-Term Debt | 6 Months Ended
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Mar. 31, 2022
Debt Disclosure [Abstract] |
Long-Term Debt | Long-Term Debt Long-term debt consisted of the following (in thousands):
| March 31, 2022 |  | September 30, 2021
Industrial development revenue bonds | $ | — |  |  | $ | 400 |
Less: current portion | — |  |  | (400) |
Total long-term debt | $ | — |  |  | $ | — |
U.S. Revolver We have a credit agreement with Bank of America, N.A. (as amended, the "U.S. Revolver"), which is a $75.0 million revolving credit facility that is available for both borrowings and letters of credit and expires September 27, 2024. The U.S. Revolver states that up to $30 million may be deducted from the amount of letters of credit outstanding (not to be less than zero) when calculating the consolidated funded indebtedness which is a component of the consolidated net leverage ratio. Additionally, we have the option to cash collateralize all or a portion of the letters of credit outstanding, which would favorably impact the consolidated funded indebtedness calculation and the consolidated net leverage ratio. As of March 31, 2022, there were no amounts borrowed under the U.S. Revolver and letters of credit outstanding were $32.2 million. There was $42.8 million available for the issuance of letters of credit and borrowings under the U.S. Revolver as of March 31, 2022. We are required to maintain certain financial covenants, the most significant of which are a consolidated net leverage ratio less than 3.0 to 1.0 and a consolidated interest coverage ratio of greater than 3.0 to 1.0. Our most restrictive covenant, the consolidated net leverage ratio, is the ratio of earnings before interest, taxes, depreciation, amortization and stock-based compensation (EBITDAS) to funded indebtedness. An increase in indebtedness, which includes letters of credit, or a decrease in EBITDAS could restrict our ability to issue letters of credit or borrow under the U.S. Revolver. Additionally, we must maintain a consolidated cash balance of $30 million at all times, which can be deducted from the letters of credit outstanding as noted above. The U.S. Revolver also contains a "material adverse effect" clause which is a material change in our operations, business, properties, liabilities or condition (financial or otherwise) or a material impairment of our ability to perform our obligations under our credit agreements. As of March 31, 2022, we were in compliance with all of the financial covenants of the U.S. Revolver. The U.S. Revolver allows the Company to elect that any borrowing under the facility bears an interest rate based on either the base rate or the eurocurrency rate, in each case, plus the applicable rate. The base rate is generally the highest of (a) the federal funds rate plus 0.50%, (b) the Bank of America prime rate or (c) the London Interbank Offered Rate (LIBOR) successor rate plus 1.00%. The applicable rate is generally a range from (0.25)% to 1.75% depending on the type of loan and the Company's consolidated net leverage ratio. On December 31, 2021, the Company entered into a LIBOR Transition Amendment with Bank of America that states that LIBOR will be replaced with a successor rate in accordance with the U.S. Revolver. The U.S. Revolver is collateralized by a pledge of 100% of the voting capital stock of each of our domestic subsidiaries and 65% of the voting capital stock of each non-domestic subsidiary. The U.S. Revolver provides for customary events of default and carries cross-default provisions with other existing debt agreements. If an event of default (as defined in the U.S. Revolver) occurs and is continuing, on the terms and subject to the conditions set forth in the U.S. Revolver, amounts and letters of credit outstanding under the U.S. Revolver may be accelerated and may become immediately due and payable. Industrial Development Revenue Bonds We borrowed $8.0 million in October 2001 through a loan agreement funded with proceeds from tax-exempt industrial development revenue bonds (Bonds) for the completion of our Northlake, Illinois facility. The Bonds matured on October 1, 2021 and our final payment of $0.4 million was made.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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