Retirement Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2018

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,
	2018			2017
Service cost	$	75		$	63
Interest cost	264			240
Expected return on plan assets	(393		)	(402		)
Amortization of net loss	107			161
Net periodic cost	$	53		$	62