Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Summary of Change in Allowance for Credit Losses

The change in the allowance for credit losses for the fiscal year ended September 30, 2022 and 2021 is as follows (dollars in thousands):

	Allowance for Credit Losses
Balance as of September 30, 2020	$	1,394
Credit loss provision		(415	)
Write-offs, net of recoveries		(112	)
Foreign exchange impact on ending balance		12
Balance as of September 30, 2021	$	879
Credit loss provision		(431	)
Write-offs, net of recoveries		18
Foreign exchange impact on ending balance		(95	)
Balance as of September 30, 2022	$	371

Activity Related to Allowance for Doubtful Accounts

For the year ended September 30, 2020, the activity related to the allowance for doubtful accounts was as follows (dollars in thousands):

	Allowance for Doubtful Accounts
Balance at September 30, 2019		865
Bad debt provisions		704
Write-offs, net of recoveries		(175	)
Balance at September 30, 2020	$	1,394

Components of Accumulated Other Comprehensive (Loss) Income

The components of accumulated other comprehensive (loss) income, reflected in the Consolidated Statements of Equity, consists of the following (dollars in thousands):

	September 30,
	2022			2021
Foreign currency translation adjustments	$	(33,895	)	$	3,284
Net unrealized gains (losses) on post-retirement benefits		594			(1,639	)
Net unrealized losses on available-for-sale securities		(436	)		(11	)
Accumulated other comprehensive (loss) income	$	(33,737	)	$	1,634