Retirement Benefit Plans (Tables)

6 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [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   March 31,						Six Months Ended   March 31,
	2016			2015			2016			2015
Service cost	$	69		$	37		$	139		$	73
Interest cost	256			244			512			487
Expected return on plan assets	(407		)	(418		)	(815		)	(835		)
Amortization of net loss	210			136			420			273
Net periodic cost	$	128		$	(1	)	$	256		$	(2	)