Share-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Stock options, activity

A summary of the stock option activity as of March 31, 2022 is presented below:

(In thousands, except per share amounts)	Options	Weighted Average Exercise Price/Share		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at September 30, 2021	5,090	$	13.87	5.9 years	$	120,611
Granted	2	46.75
Exercised	(249)	15.87
Forfeited	(28)	20.76
Outstanding at March 31, 2022	4,815	$	13.73	5.4 years	$	160,085
Options exercisable at March 31, 2022	3,752	$	11.51	4.6 years	$	133,087
Options vested and expected to vest at March 31, 2022	4,805	$	13.71	5.4 years	$	159,838

Schedule of Nonvested Share Activity

A summary of the status of the Company's unvested stock options as of and for the six months ended March 31, 2022 is presented below.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Unvested at beginning of period	1,901	$	6.69
Granted	2	24.22
Vested	(812)	6.55
Forfeited	(28)	6.60
Unvested at end of period	1,063	$	6.87

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following is a summary of the RSU activity for the six months ended March 31, 2022.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Outstanding at September 30, 2021	1,209	$	22.77
Granted	321	45.10
Vested	(417)	21.09
Forfeited	(27)	23.73
Outstanding at March 31, 2022	1,086	$	29.99
Expected to vest at March 31, 2022	1,049	$	29.64

The following is a summary of the performance share unit activity for the six months ended March 31, 2022, assuming target award level.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Unvested at beginning of period	469	$	16.92
Granted	124	52.50
Unvested at end of period	593	$	23.39
Expected to vest	546	$	23.28