Share-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Stock options, activity

A summary of the stock option activity as of March 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, 2020	7,430	$	10.30	5.9 years	$	83,152
Granted	611	24.76
Exercised	(2,185)	6.04
Forfeited	(7)	19.20
Outstanding at March 31, 2021	5,849	$	13.39	6.4 years	$	75,542
Options exercisable at March 31, 2021	3,857	$	9.62	5.2 years	$	64,333
Options vested and expected to vest at March 31, 2021	5,774	$	13.25	6.3 years	$	75,349

Schedule of Nonvested Share Activity

A summary of the status of the Company's non-vested stock options as of and for the six months ended March 31, 2021 is presented below.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Nonvested at beginning of period	2,166	$	5.56
Granted	611	8.98
Vested	(778)	5.56
Forfeited	(7)	6.47
Nonvested at end of period	1,992	$	6.60

The total fair value of options vested during the six months ended March 31, 2021, was $4,326.

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, 2021.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Outstanding at September 30, 2020	750	$	17.86
Granted	494	24.69
Vested	(234)	17.64
Forfeited	(3)	18.85
Cancelled	(7)	21.22
Outstanding at March 31, 2021	1,000	$	21.26
Expected to vest at March 31, 2021	948	$	21.11