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Business Information (Tables)
12 Months Ended
Sep. 30, 2021
Segment Reporting [Abstract]  
Long-lived Assets by Geographic Areas
20212020
Long-Lived Assets
United States$54,109 56,134 
Europe8,986 10,607 
$63,095 66,741 
Schedule of Maturities of Bargaining Agreements The table below shows the expiration dates of the collective bargaining agreements.
Plant locationsExpiration date
Cleveland, Ohio (unit 1)May 15, 2025
Cleveland, Ohio (unit 2)May 31, 2020
Maniago, Italy June 30, 2024