Employee Benefit Plans

6 Months Ended

Mar. 31, 2018

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

EMPLOYEE BENEFIT PLANS

We sponsor a non-contributory, defined benefit retirement plan for eligible employees of one of our German subsidiaries. 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

The weighted average expected long-term rate of return on plan assets used to determine the net periodic benefit cost for each of the three and six months ended March 31, 2018 and April 1, 2017 was 5.5%.