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Share Based Compensation (Tables)
 12 Months Ended
Jan. 31, 2017
Share-based Compensation [Abstract]  
The compensation cost and related income tax benefit for these plans
The compensation cost and related income tax benefit for these plans were as follows:
 
 
For the years ended January 31,
 
 
2017
 
2016
 
2015
Share-based compensation cost
 
$
3,071

 
$
2,311

 
$
4,213

Tax benefit
 
1,103

 
819

 
1,504
Weighted average assumptions by grant year
The weighted average assumptions used for the Black-Scholes option pricing model by grant year are as follows:
 
 
For the years ended January 31,
 
 
2017
 
2016
 
2015
Risk-free interest rate
 
1.05
%
 
1.33
%
 
1.32
%
Expected dividend yield
 
3.33
%
 
2.59
%
 
1.53
%
Expected volatility factor
 
32.61
%
 
36.81
%
 
38.65
%
Expected option term (in years)
 
4.00

 
3.75

 
4.00

 
 
 
 
 
 
 
Weighted average grant date fair value
 
$
3.05

 
$
4.77

 
$
9.18
Outstanding stock options
Outstanding stock options as of January 31, 2017 and activity for the year then ended are presented below:
 
 
Number
of options
 
Weighted average exercise price
 
Aggregate intrinsic value
 
Weighted
average
remaining
contractual
term
(years)
Outstanding, January 31, 2016
 
925,950

 
$
28.44

 
 
 
 
Granted
 
274,200

 
15.61

 
 
 
 
Exercised
 
—

 
—

 
 
 
 
Forfeited
 
(4,125
)
 
25.41

 
 
 
 
Expired
 
(205,125
)
 
30.03

 
 
 
 
Outstanding, January 31, 2017
 
990,900

 
$
24.58

 
$
3,867

 
2.55
 
 
 
 
 
 
 
 
 
Outstanding exercisable, January 31, 2017
 
422,158

 
$
30.24

 
$
361

 
1.41
 
 
 
 
 
 
 
 
 
Options vested, or expected to vest, January 31, 2017
 
990,900

 
$
24.58

 
$
3,867

 
2.55
Activity for RSUs under the Plan
Activity for performance-based RSUs under the Plan in fiscal 2017 was as follows:
 
 
Number
of restricted stock units expected to vest
 
Weighted
average grant date fair value
Outstanding, January 31, 2016
 
66,068

 
$
25.65

Granted
 
72,950

 
15.61

Vested
 
(29,162
)
 
32.85

Forfeited
 
(1,178
)
 
17.66

Performance-based adjustment
 
37,841

 
15.94

Outstanding, January 31, 2017
 
146,519

 
$
16.78

 
 
 
 
 
Cumulative dividends, January 31, 2017
 
5,103

 
 
Activity for time-vested RSUs under the Plan in fiscal 2017 was as follows:
 
 
Number
of restricted stock units
 
Weighted
average grant date fair value
Outstanding, January 31, 2016
 
81,926

 
$
25.53

Granted
 
70,947

 
15.94

Vested
 
(19,208
)
 
32.85

Forfeited
 
(6,936
)
 
23.14

Outstanding, January 31, 2017
 
126,729

 
$
19.19

 
 
 
 
 
Cumulative dividends, January 31, 2017
 
5,003

 
 
Outstanding stock units
Outstanding stock units as of January 31, 2017 and changes during the year then ended are presented below:
 
 
Number
of stock units
 
Weighted
average price
Outstanding, January 31, 2016
 
93,734

 
$
20.82

Granted
 
18,750

 
19.20

Deferred retainers
 
3,125

 
19.20

Dividends
 
2,681

 
19.68

Converted into common shares
 
(19,641
)
 
18.88

Outstanding, January 31, 2017
 
98,649

 
$
20.82
Weighted average grant date fair values
The weighted average grant date fair values of the time-based and performance-based RSUs by grant year are as follows:
 
 
For the years ended January 31,
 
 
2017
 
2016
 
2015
Weighted average grant date fair value: time-based RSUs
 
$
15.94

 
$
19.25

 
$
29.69

Weighted average grant date fair value: performance-based RSUs
 
$
15.61

 
$
20.09

 
$
32.75