Share-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock options, activity

A summary of the stock option activity, including stock appreciation rights, as of March 31, 2023 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, 2022	4,265	$	14.74	5.2 years	$	78,218
Granted	7	42.42
Exercised	(199)	15.95
Forfeited	(7)	24.36
Outstanding at March 31, 2023	4,066	$	14.71	4.7 years	$	142,350
Options exercisable at March 31, 2023	3,589	$	13.40	4.3 years	$	130,334
Options vested and expected to vest at March 31, 2023	4,062	$	14.70	4.7 years	$	142,253

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, 2023 is presented below.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Unvested at beginning of period	1,042	$	6.82
Granted	7	21.39
Vested	(564)	5.93
Forfeited	(8)	7.95
Unvested at end of period	477	$	8.21

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, 2023.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Outstanding at September 30, 2022	980	$	30.18
Granted	312	42.83
Vested	(398)	27.73
Forfeited	(36)	38.64
Outstanding at March 31, 2023	858	$	35.56
Expected to vest at March 31, 2023	827	$	35.35

The following is a summary of the performance share unit activity for the six months ended March 31, 2023, assuming target award level.

(In thousands, except per share amounts)	Shares	Weighted Average Grant Date Fair Value/Share
Unvested at beginning of period	592	$	23.36
Granted	154	43.46
Forfeited	(4)	44.84
Unvested at end of period	742	$	27.42
Expected to vest	701	$	27.17