Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Summary of Financial Assets that are Measured at Fair Value and Indicates the Fair Value Hierarchy of the Valuation Inputs

The following table presents information about our financial assets that are measured at fair value and indicates the fair value hierarchy of the valuation inputs used (dollars in thousands) as of:

	March 31, 2022
	Fair Value		Cash and Cash Equivalents		Marketable Securities
Level 1:
Money market funds (a)	$	67,558	$	67,558	$	-
Level 2:
Time deposits, $1,191 at cost (a)		1,191		1,191		-
Commercial paper, $19,371 at cost (b)		19,373		-		19,373
Corporate bonds, $15,074 at cost (b)		14,894		-		14,894
Debt securities, $2,000 at cost (c)		2,000		-		-
Total assets	$	105,016	$	68,749	$	34,267

	September 30, 2021
	Fair Value		Cash and Cash Equivalents		Marketable Securities
Level 1:
Money market funds (a)	$	75,873	$	75,873	$	-
Level 2:
Time deposits, $2,965 at cost (a)		2,965		2,965		-
Commercial paper, $18,080 at cost (b)		18,080		-		18,080
Corporate bonds, $19,704 at cost (b)		19,694		-		19,694
Debt securities, $2,000 at cost (c)		2,000		-		-
Total assets	$	118,612	$	78,838	$	37,774

(a) Money market funds and other highly liquid investments with original maturities of 90 days or less are included within Cash and cash equivalents in the Condensed Consolidated Balance Sheets.

(b) Commercial paper and corporate bonds with original maturities greater than 90 days are included within Marketable securities in the Condensed Consolidated Balance Sheets and classified as current or noncurrent based upon whether the maturity of the financial asset is less than or greater than 12 months.

(c) Debt Securities are included within Prepaid and other current assets in the Condensed Consolidated Balance Sheets and classified as current given the maturity of the financial asset is less than 12 months.