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STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]
Fair value was estimated at grant date using the weighted-average assumptions listed below:
 
Three months ended September 30,
 
Six months ended September 30,
 
2017
 
2016
 
2017
 
2016
 
 
 
 
 
 
 
 
Dividend Yield
—%
 
—%
 
—%
 
—%
Expected Volatility
—%
 
—%
 
50.33%
 
56.18%
Average risk-free rate
—%
 
—%
 
1.85%
 
1.37%
Expected Life
0.0 years
 
0.0 years
 
5.0 years
 
5.9 years
Tabular disclosure of performance shares vesting based on EPS targets [Table Text Block]
Group B awards would have vested as follows, if the Company achieved the following performance goals during any successive trailing four quarters during the measurement period ending on March 31, 2017:

Trailing 4 quarter EPS Target
 
Restricted Shares Eligible for Vesting (Percentage of Award)
$13.00
 
25%
$14.50
 
25%
$16.00
 
25%
$18.00
 
25%
Group A awards vested on April 30, 2015 based on the Company's achievement of the following performance goals as of March 31, 2015:

 EPS Target
 
Restricted Shares Eligible for Vesting (Percentage of Award)
$10.29
 
100%
$9.76
 
67%
$9.26
 
33%
Below $9.26
 
0%
Summary schedule of stock option activity
ption activity for the six months ended September 30, 2017 was as follows:
 
Shares
 
Weighted Average Exercise
Price
 
Weighted Average
Remaining
Contractual Term
 
Aggregate Intrinsic Value
 
 
 
 
 
 
 
 
Options outstanding, beginning of period
860,741

 
$
67.28

 
 
 
 
Granted during period
1,020

 
50.32

 
 
 
 
Exercised during period
(115,819
)
 
58.41

 
 
 
 
Forfeited during period
(13,889
)
 
62.85

 
 
 
 
Expired during period
(11,484
)
 
79.26

 
 
 
 
Options outstanding, end of period
720,569

 
$
68.57

 
6.1 years
 
$
11,313,328

Options exercisable, end of period
423,234

 
$
72.01

 
5.3 years
 
$
5,252,313

Intrinsic value of options exercised
The total intrinsic value of options exercised during the periods ended September 30, 2017 and 2016 was as follows:
 
September 30,
2017
 
September 30,
2016
 
 
 
 
Three months ended
$
451,718

 
$
24,916

Six months ended
$
2,676,597

 
$
112,939

Summary of the status and changes restricted stock
A summary of the status of the Company’s restricted stock as of September 30, 2017, and changes during the six months ended September 30, 2017, are presented below:
 
Shares
 
Weighted Average Fair Value at Grant Date
 
 
 
 
Outstanding at March 31, 2017
111,361

 
$
43.11

Granted during the period

 

Vested during the period
(816
)
 
43.49

Forfeited during the period

 

Outstanding at September 30, 2017
110,545

 
$
43.11

 
Share-based compensation included as a component of net income
Total share-based compensation included as a component of net income during the three and six-month periods ended September 30, 2017 and 2016 was as follows:

 
Three months ended September 30,
 
Six months ended September 30,
 
2017
 
2016
 
2017
 
2016
Share-based compensation related to equity classified awards:
 
 
 
 
 
 
 
Share-based compensation related to stock options
$
572,916

 
616,756

 
1,122,227

 
982,420

Share-based compensation related to restricted stock, net of adjustments and exclusive of cancellations
707,352

 
236,006

 
1,290,118

 
423,868

Total share-based compensation related to equity classified awards
$
1,280,268

 
852,762

 
2,412,345

 
1,406,288