Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

			Fair Value Measurements at Reporting Date Using
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
	September 30,		Identical Assets		Observable Inputs		Inputs
Description	2021		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	21	$	21	$	—	$	—
Available-for-sale securities		3,679		—		3,679		—
Foreign exchange contracts		153		—		153		—
Total Assets	$	3,853	$	21	$	3,832	$	—
Liabilities:
Foreign exchange contracts	$	165	$	—	$	165	$	—
Acquisition-related contingent consideration		9,400		—		—		9,400
Total Liabilities	$	9,565	$	—	$	165	$	9,400

			Fair Value Measurements at Reporting Date Using
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
	September 30,		Identical Assets		Observable Inputs		Inputs
Description	2020		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	50	$	—	$	50	$	—
Available-for-sale securities		3,168		—		3,168		—
Foreign exchange contracts		370		—		370		—
Total Assets	$	3,588	$	—	$	3,588	$	—
Liabilities:
Foreign exchange contracts	$	238	$	—	$	238	$	—
Total Liabilities	$	238	$	—	$	238	$	—