Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2023

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock-based compensation expense

	Three Months Ended June 30,				Nine Months Ended June 30,
	2023		2022		2023		2022
Restricted stock units	$	3,604	$	3,178	$	8,997	$	18,433
Employee stock purchase plan		391		307		1,094		1,600
Total stock-based compensation expense for continuing and discontinued operations	$	3,995	$	3,485	$	10,091	$	20,033

Restricted Stock Unit Activity

	Nine Months Ended June 30,
	2023	2022
Time-based restricted stock units	311,609	94,429
Common stock awards	—	49,063
Performance-based restricted stock units	278,457	88,204
Total units	590,066	231,696

		Weighted
		Average
		Grant-Date
	Shares	Fair Value
Outstanding as of September 30, 2022	538,238	$	71.99
Granted	590,066	$	55.10
Vested	(263,777)	$	55.76
Forfeited	(104,220)	$	73.62
Outstanding as of June 30, 2023	760,307	$	66.22