Retirement Benefit Plans (Tables)

9 Months Ended

Jun. 30, 2020

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   June 30,						Nine Months Ended   June 30,
	2020			2019			2020			2019
Service cost	$	85		$	74		$	255		$	224
Interest cost	208			264			624			791
Expected return on plan assets	(363		)	(393		)	(1,090		)	(1,180		)
Amortization of net loss	188			107			564			322
Net periodic cost	$	118		$	52		$	353		$	157