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Stock Award Plans (Tables)
 12 Months Ended
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of option activity
A summary of stock option activity and changes during the year are as follows.
Options
Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term
Aggregate
Intrinsic
Value
(In thousands)
Outstanding at September 30, 2015
1,027,374

$
21.64

3
$1,867
Granted
—

—

 
 
Exercised
(438,456
)
21.51

 
 
Forfeited
(129,475
)
22.32

 
 
Outstanding at September 30, 2016
459,443

$
21.47

2
$
2,392

Exercisable at September 30, 2016
459,443

$
21.47

2
$
2,392
Schedule of miscellaneous information related to stock options
The table below presents other information regarding stock options.
Year ended September 30,
2016
2015
2014
 
(In thousands, except fair value of options granted)
Compensation cost for stock options
$
89

$
232

$
324

Weighted average grant date fair value per stock option
2.73

2.96

2.95

Total intrinsic value of options exercised
1,651

831

1,136

Grant date FV of options exercised
1,422

368

1,962

Cash received from option exercises
9,283

2,069

10,142

Tax benefit realized for option exercises
—

—

159
Summary of nonvested activity
The following is a summary of activity related to non-vested stock options.
Year ended September 30,
2016
 
2015
 
2014
Non-vested Stock Options
Options Outstanding
Weighted
Average
Grant Date
Fair Value
 
Options Outstanding
Weighted
Average
Grant Date
Fair Value
 
Options Outstanding
Weighted
Average
Grant Date
Fair Value
Outstanding at beginning of period
69,287

$
3.85

 
145,795

$
3.87

 
287,750

$
3.44

Granted
—

—

 
—

—

 
—

—

Vested
(62,227
)
3.91

 
(61,018
)
3.88

 
(119,520
)
2.88

Forfeited
(7,060
)
3.89

 
(15,490
)
3.90

 
(22,435
)
3.63

Outstanding at end of period
—

$
—

 
69,287

$
3.85

 
145,795

$
3.87
Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of nonvested activity
The following table summarizes information about nonvested restricted stock activity.
Year ended September 30,
2016
 
2015
 
2014
Non-vested Restricted Stock
Outstanding
Weighted
Average
Fair Value
 
Outstanding
Weighted
Average
Fair Value
 
Outstanding
Weighted
Average
Fair Value
Outstanding at beginning of period
521,302

$
15.03

 
515,845

$
14.10

 
480,904

$
11.52

Granted
229,450

17.20

 
301,750

$
14.26

 
300,500

15.43

Vested
(165,965
)
15.96

 
(223,043
)
13.24

 
(202,014
)
11.68

Forfeited
(94,424
)
13.64

 
(73,250
)
10.72

 
(63,545
)
8.50

Outstanding at end of period
490,363

$
16.00

 
521,302

$
15.03

 
515,845

$
14.10