Share-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Stock options, activity

A summary of the stock option activity as of December 31, 2021 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	(64)	12.49
Forfeited	(18)	20.29
Outstanding at December 31, 2021	5,010	$	13.87	5.7 years	$	164,726
Options exercisable at December 31, 2021	3,126	$	9.67	4.3 years	$	115,912
Options vested and expected to vest at December 31, 2021	4,992	$	13.84	5.7 years	$	164,312

Schedule of Nonvested Share Activity

A summary of the status of the Company's unvested stock options as of and for the three months ended December 31, 2021 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	(1)	8.12
Forfeited	(18)	6.47
Unvested at end of period	1,884	$	6.73

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

The following is a summary of the restricted stock units (“RSU”) activity for the three months ended December 31, 2021.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Outstanding at September 30, 2021	1,209	$	22.77
Granted	261	45.81
Vested	(115)	24.48
Forfeited	(16)	23.03
Outstanding at December 31, 2021	1,339	$	27.11
Expected to vest at December 31, 2021	1,292	$	26.75

The following is a summary of the performance share unit activity for the three months ended December 31, 2021, 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	98	52.57
Unvested at end of period	567	$	23.10
Expected to vest	518	$	23.01