Fair Value of Financial Instruments (Tables)

12 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Summary of Carrying Values and the Estimated Fair Values of the Debt Financial Instruments

The carrying values and the estimated fair values of the debt financial instruments (Level 2 measurements) consisted of the following (in thousands):

	As of September 30,
	2022				2021
	Principle Outstanding		Estimated Fair Value		Principle Outstanding		Estimated Fair Value
2022 Term Loan Agreement due April 28, 2029	$	600,000	$	586,500	$	—	$	—
Term Loan Agreement due May 5, 2024		—		—		467,654		467,420

Summary of Aggregate Fair Value of the Contingent Consideration and Compensation Expense

The following table provides a roll-forward of the aggregate fair value of the contingent consideration and compensation expense categorized as Level 3 (in thousands).

	Year Ended September 30,
	2020
Beginning balance	$	1,303
Change in fair value of contingent consideration		—
Less contingent payments		(1,675	)
Compensation expense recognized		372
Ending balance	$	—