Retirement Benefit Plans (Tables)

9 Months Ended

Jun. 30, 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   June 30,						Nine Months Ended   June 30,
	2018			2017			2018			2017
Service cost	$	63		$	78		$	189		$	235
Interest cost	240			221			719			662
Expected return on plan assets	(402		)	(404		)	(1,205		)	(1,211		)
Amortization of net loss	161			215			483			646
Net periodic cost	$	62		$	110		$	186		$	332