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Retirement Benefit Plans (Tables)
3 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Cost The components of net periodic benefit cost of the Company’s defined benefit plans are as follows:
Three Months Ended
December 31,
 20212020
Service cost$11 $26 
Interest cost178 175 
Expected return on plan assets(340)(355)
Amortization of net loss119 211 
Net periodic cost$(32)$57