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Stock-Based Compensation (Tables)
 12 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Plans
The following table summarizes activity of the Company’s stock option plans since June 30, 2013: 
 
Options Outstanding
 
Number of
Shares
 
Weighted Average
Exercise Price
 
Weighted Average
Remaining
Contractual Term
(Years)
 
Aggregate
Intrinsic Value as
of 6/30/2015
Outstanding at June 30, 2013
2,070

 
$
13.44

 
2.60
 
 
Granted
—

 
—

 
 
 
 
Exercised
(113
)
 
6.23

 
 
 
 
Cancelled
(522
)
 
19.59

 
 
 
 
Outstanding at June 30, 2014
1,435

 
$
11.76

 
2.23
 
 
Granted
—

 
—

 
 
 
 
Exercised
(500
)
 
7.43

 
 
 
 
Cancelled
(105
)
 
19.21

 
 
 
 
Outstanding at June 30, 2015
830

 
$
13.43

 
1.66
 
$
1,382

Vested and expected to vest at June 30, 2015
830

 
$
13.43

 
1.66
 
$
1,382

Exercisable at June 30, 2015
816

 
$
13.57

 
1.58
 
$
1,249
Summary of Nonvested Restricted Stock
The following table summarizes the status of the Company’s non-vested restricted stock awards since June 30, 2013:
 
Non-Vested Restricted Stock Awards
 
Number of
Shares
 
Weighted Average
Grant Date
Fair Value
Outstanding at June 30, 2013
2,007

 
$
10.82

Granted
952

 
9.35

Vested
(698
)
 
10.81

Forfeited
(170
)
 
10.95

Outstanding at June 30, 2014
2,091

 
$
10.15

Granted
849

 
11.99

Vested
(776
)
 
10.56

Forfeited
(298
)
 
10.73

Outstanding at June 30, 2015
1,866

 
$
10.72
Stock Based Compensation Expenses
The following table presents share-based compensation expenses from continuing operations included in the Company’s consolidated statement of operations:
 
Year Ended June 30,
 
2015
 
2014
 
2013
Cost of revenues
$
493

 
$
601

 
$
371

Selling, general and administrative
6,751

 
7,024

 
6,436

Research and development
1,396

 
1,374

 
1,047

Share-based compensation expense before tax
8,640

 
8,999

 
7,854

Income taxes
(3,332
)
 
(3,420
)
 
(2,877
)
Share-based compensation expense, net of income taxes
$
5,308

 
$
5,579

 
$
4,977
Weighed-Average Key Assumptions and Fair Value Results for Stock Options Granted
The following table sets forth the weighted-average key assumptions and fair value results for stock options granted during fiscal years 2015, 2014 and 2013:
 
Years Ended June 30,
 
2015
 
2014
 
2013
Weighted-average fair value of options granted
$
—

 
$
—

 
$
3.80

Option life(1)
—

 
—

 
4.5

Risk-free interest rate(2)
—
%
 
—
%
 
0.73
%
Stock volatility(3)
—
%
 
—
%
 
58
%
Dividend rate
—
%
 
—
%
 
—
%
 
(1)
The option life was determined based upon historical option activity.
(2)
The risk-free interest rate for each grant is equal to the U.S. Treasury yield curve in effect at the time of grant for instruments with a similar expected life.
(3)
The stock volatility for each grant is measured using the weighted average of historical daily price changes of the Company’s common stock over the most recent period equal to the expected option life of the grant, the historical short-term trend of the option and other factors, such as expected changes in volatility arising from planned changes in the Company’s business operations.