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Accumulated Other Comprehensive Loss
 6 Months Ended
Mar. 31, 2023
Equity [Abstract]  
Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss
The components of accumulated other comprehensive loss are as follows:
March 31,
2023		September 30,
2022
Foreign currency translation adjustment$(5,780)$(6,196)
Retirement plan liability adjustment, net of tax(2,357)(2,509)
Interest rate swap agreement, net of tax13 12 
Total accumulated other comprehensive loss$(8,124)$(8,693)