Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2021

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:

	June 30, 2021
	Fair Value		Cash and Cash Equivalents		Marketable Securities
Level 1:
Money market funds (a)	$	56,229	$	56,229	$	-
Level 2:
Commercial paper, $23,730 at cost (a) (b)		23,730		7,999		15,731
Corporate bonds, $25,734 at cost (a) (b)		25,719		5,002		20,717
Total assets	$	105,678	$	69,230	$	36,448

	September 30, 2020
	Fair Value		Cash and Cash Equivalents		Marketable Securities
Level 1:
Money market funds (a)	$	101,437	$	101,437	$	-
Level 2:
Commercial paper, $9,883 at cost (a) (b)		9,883		-		9,883
Corporate bonds, $1,780 at cost (a) (b)		1,779		-		1,779
Total assets	$	113,099	$	101,437	$	11,662

(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.