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Subsequent Events
 12 Months Ended
Sep. 30, 2021
Subsequent Events [Abstract]  
Subsequent Events Subsequent Events
Long-Term Debt Repayment
On October 1, 2021, our long-term debt fully matured and our final bond redemption of $0.4 million was made. See Note G for additional disclosure regarding our industrial revenue development bonds.
Quarterly Dividend Declared
On November 2, 2021, our Board of Directors declared a quarterly cash dividend on our common stock in the amount of $0.26 per share. The dividend is payable on December 15, 2021 to shareholders of record at the close of business on November 17, 2021.