Employee Benefit Plans (Tables)

6 Months Ended

Mar. 31, 2018

Compensation and Retirement Disclosure [Abstract]

Schedule of Costs For The Retirement Benefit Plan

Net periodic benefit cost for our defined benefit pension plan include the following components:

	Three Months Ended						Six Months Ended
	March 31, 2018			April 1, 2017			March 31, 2018			April 1, 2017
Service cost	$	331		$	342		$	649		$	691
Interest cost	165			103			324			209
Expected return on plan assets	(328		)	(260		)	(643		)	(526		)
Net amortization and deferral	137			238			267			482
Net periodic benefit cost	$	305		$	423		$	597		$	856