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Retirement Benefit Plans
 6 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Retirement Benefit Plans Retirement Benefit Plans
The Company and certain of its subsidiaries sponsor defined benefit pension plans covering some of its employees. The components of net periodic benefit cost of the Company’s defined benefit plans are as follows:
Three Months Ended
March 31,		Six Months Ended
March 31,
 2021202020212020
Service cost$26 $85 $52 $170 
Interest cost175 208 350 416 
Expected return on plan assets(355)(363)(711)(727)
Amortization of net loss211 188 423 376 
Net periodic cost$57 $118 $114 $235 
During the six months ended March 31, 2021 and 2020, the Company made $56 and $244 in contributions, respectively, to its defined benefit pension plans. The Company anticipates making $141 additional cash contributions to fund its defined benefit pension plans for the balance of fiscal 2021 and will use carryover balances from previous periods that have been available for use as a credit to reduce the amount of cash contributions that the Company is required to make to certain defined benefit plans in fiscal 2021. The Company's ability to elect to use such carryover balance will be determined based on the actual funded status of each defined benefit pension plan relative to the plan's minimum regulatory funding requirements. The Company does not anticipate making cash contributions above the minimum funding requirement to fund its defined benefit pension plans during the balance of fiscal 2021.