Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Schedule of Contributions to Multi-Employer Pension Plans

Below is a table of our contributions to multi-employer pension plans (in thousands):

	Years Ended September 30,
	2019		2018		2017
Pensioenfonds Metaal en Techniek	$	658	$	897	$	805
Other plans		158		188		188
Total	$	816	$	1,085	$	993