Restructuring (Tables)

12 Months Ended

Sep. 30, 2020

Restructuring and Related Activities [Abstract]

Summary of Restructuring Costs

As a result of these activities, restructuring costs totaling $687, $2,839 and $6,332 were recorded during fiscal 2020, 2019 and fiscal 2018, respectively, the details of which are as follows:

Year Ended September 30,	2020		2019		2018
Severance, other termination benefits and related costs	$	601	$	2,046	$	5,012
Lease and other contract termination fees		86		54		353
Loss on fixed asset disposals and inventory scrap		—		528		225
Other		—		211		742
Total	$	687	$	2,839	$	6,332

Schedule of Accrued Liability Associated With Restructuring Costs

A reconciliation of the changes in the liabilities associated with the restructuring charges from September 30, 2018 through September 30, 2020 is as follows:

	Employee Separation and Related Costs			Lease and Other Contract Termination Fees			Other			Total
Balance at September 30, 2018	$	987		$	33		$	6		$	1,026
Restructuring charges		2,810			54			211			3,075
Reversal of prior period accruals		(401	)		(32	)		(61	)		(494	)
Payments		(2,386	)		(43	)		(42	)		(2,471	)
Balance at September 30, 2019	$	1,010		$	12			114		$	1,136
Restructuring charges		642			86			—			728
Reversal of prior period accruals		(41	)		—			—			(41	)
Payments		(1,565	)		(98	)		(114	)		(1,777	)
Balance at September 30, 2020	$	46		$	—		$	—		$	46