Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Changes in Level 3 Financial Instruments Measured on a Recurring Basis

The following tables present the changes in the Company's Level 3 financial instruments that are measured at fair value on a recurring basis.

	Accrued Contingent Consideration
Balance at September 30, 2019	$	18,226
Contingent consideration accrued at time of business combination	—
Change in fair value of contingent consideration included in Operating expenses	12
Contingent consideration paid	(6,477)
Balance at March 31, 2020	$	11,761

	Accrued Contingent Consideration
Balance at September 30, 2018	$	5,999
Contingent consideration accrued at time of business combination	4,605
Change in fair value of contingent consideration included in Operating expenses	2,153
Contingent consideration paid	(4,194)
Balance at March 31, 2019	$	8,563