Stock-based Compensation Plans (Tables)

12 Months Ended

Sep. 30, 2020

Sep. 30, 2019

The effect of stock-based compensation on our statements of operations is presented below.


	2020		2019		2018
	(in millions, except per share data)
Decrease in operating income	$	7.2	$	5.5	$	6.4
Decrease in net income	5.0		4.3		4.0
Decrease in earnings per basic share	0.03		0.03		0.03
Decrease in earnings per diluted share	0.03		0.03		0.03

Restricted stock unit activity under the 2006 Plan is summarized below.


	Restricted stock units	Weighted average grant date fair value per unit		Weighted average remaining contractual term (years)	Aggregate intrinsic value (millions)
Outstanding at September 30, 2017	625,830	$	11.23	0.9
Granted	276,658	12.20
Vested	(342,038)	10.84			$	4.2
Cancelled	(78,888)	11.41
Outstanding at September 30, 2018	481,562	12.14		1.0
Granted	233,830	10.10
Vested	(259,107)	11.75			2.6
Cancelled	(19,263)	11.43
Outstanding at September 30, 2019	437,022	11.31		0.9
Granted	301,979	11.55
Vested	(295,241)	11.40			3.4
Cancelled	(35,254)	11.48
Outstanding at September 30, 2020	408,506	11.41		0.8

Stock-settled PRSUs activity under the 2006 Plan is summarized below.


Award date	Settlement year	Performance period	Grant date per unit fair value		Units awarded	Units forfeited	Net units	Performance factor	Shares earned
December 1, 2015	2019	2016	$	9.38	77,823	(3,998)	73,825	1.021	75,375
		2017	13.26		77,824	(3,997)	73,827	1.000	73,827
		2018	12.50		77,824	(61,841)	15,983	1.357	21,689
November 29, 2016	2020	2017	13.26		59,285	(5,279)	54,006	1.000	54,006
		2018	12.50		59,286	(39,910)	19,376	1.357	26,294
		2019	10.53		59,290	(39,909)	19,381	0.645	12,501
January 23, 2017	2020	2017	13.15		19,012	—	19,012	1.000	19,012
		2018	12.50		19,011	—	19,011	1.357	25,798
		2019	10.53		19,011	—	19,011	0.645	12,263
November 28, 2017	2021	2018	12.50		57,092	—	57,092	1.357	77,474
		2019	10.53		57,092	(4,793)	52,299	0.645	33,733
		2020	11.26		57,104	(21,679)	35,425	0.909	32,202
November 27, 2018	2022	2019	10.53		110,954	(8,751)	102,203	0.645	65,921
		2020	11.26		110,954	(13,182)	97,772	0.909	88,875
		2021			110,967	(26,484)	84,483
December 3, 2019	2023	2020	11.26		69,988	(2,747)	67,241	0.909	61,123
		2021			69,989	(9,970)	60,019
		2022			69,989	(9,970)	60,019

Stock option activity under the 2006 Plan is summarized below.


	Options	Weighted average exercise price per option		Weighted average remaining contractual term (years)	Aggregate intrinsic value (millions)
Outstanding at September 30, 2017	2,440,654	$	5.72	2.5	$	17.3
Exercised	(851,628)	7.00			3.8
Cancelled	—	—
Outstanding at September 30, 2018	1,589,026	5.03		1.9	10.3
Exercised	(726,636)	5.20			4.4
Cancelled	—	—
Outstanding at September 30, 2019	862,390	4.89		2.0	5.5
Exercised	(534,291)	4.15			3.3
Cancelled	—	—
Outstanding at September 30, 2020	328,099	$	6.11	2.3	$	1.4

Exercisable at September 30, 2020	328,099	$	6.11	2.3	$	1.4

The ranges of exercise prices for stock options outstanding at September 30, 2020 are summarized below.


Exercise price						Options	Weighted average exercise price		Weighted average remaining contractual term (years)	Exercisable options	Weighted average exercise price
	$	0.00	-	$	4.99	129,949	$	3.19	0.8	129,949	$	3.19
	$	5.00	-	$	9.99	198,150	8.02		3.3	198,150	8.02
						328,099	$	6.11	2.3	328,099	$	6.11

Phantom Plan activity is summarized below.


	Phantom Plan units	Weighted average grant date fair value per unit		Weighted average remaining contractual term (years)	Aggregate intrinsic value (millions)
Outstanding at September 30, 2017	352,007	$	11.36	0.9
Granted	163,199	12.40
Vested	(170,675)				$	2.1
Cancelled	(81,758)	12.10
Outstanding at September 30, 2018	262,773	12.12		0.6
Granted	180,747	10.53
Vested	(132,289)				1.4
Cancelled	(55,077)	11.61
Outstanding at September 30, 2019	256,154	11.39		0.9
Granted	188,973	11.26
Vested	(118,908)				1.3
Cancelled	(11,744)	11.23
Outstanding at September 30, 2020	314,475	11.16		0.9