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Share-Based Compensation (Tables)
12 Months Ended
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
The following table summarizes restricted stock activity for the three most recent fiscal years:
Outstanding and Nonvested Restricted Stock Awards:
 
Shares
Awarded
 
Weighted
Average
Grant Date
Fair Value
($)
 
Weighted
Average
Remaining
Life
(Years)
 
Aggregate
Intrinsic
Value
($ in thousands)
Outstanding at June 30, 2013
 
139,360

 
9.87

 
1.9
 
1,959

Granted
 
9,200

 
20.48

 
 
188

Exercised/Released
 
(38,212
)
 
11.59

 
 
820

Cancelled/Forfeited
 
(14,136
)
 
9.38

 
 

Outstanding at June 30, 2014
 
96,212

 
10.27

 
1.5
 
2,079

Granted
 
13,256

 
23.64

 
 
313

Exercised/Released(1)
 
(53,402
)
 
8.43

 
 
1,377

Cancelled/Forfeited
 
(8,984
)
 
8.36

 
 

Outstanding at June 30, 2015
 
47,082

 
16.48

 
1.2
 
1,106

Granted
 
10,170

 
29.99

 
 
305

Exercised/Released(2)
 
(24,841
)
 
14.08

 
 
747

Cancelled/Forfeited
 
(8,619
)
 
13.06

 
 

Outstanding at June 30, 2016
 
23,792

 
26.00

 
1.8
 
763

Expected to vest, June 30, 2016
 
22,253

 
25.91

 
1.8
 
713

__________
(1) Includes 4,297 shares that were withheld to meet the employees' minimum statutory tax withholding and retired..
(2) Includes 5,177 shares that were withheld to meet the employees' minimum statutory tax withholding and retired.
NQOs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
Following are the weighted average assumptions used in the Black-Scholes valuation model for NQOs granted during the fiscal years ended June 30, 2016, 2015 and 2014
 
 
Year Ended June 30,
 
 
2016
 
2015
 
2014
Weighted average fair value of NQOs
 
$
12.63

 
$
10.38

 
$
9.17

Risk-free interest rate
 
1.6
%
 
1.5
%
 
1.7
%
Dividend yield
 
%
 
%
 
%
Average expected term
 
5.1 years

 
5.1 years

 
6 years

Expected stock price volatility
 
47.1
%
 
47.9
%
 
50.4
%
NQOs | Vested  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes NQO activity for the three most recent fiscal years:
Outstanding NQOs:
 
Number
of NQOs
 
Weighted
Average
Exercise
Price ($)
 
Weighted
Average
Grant Date
Fair Value ($)
 
Weighted
Average
Remaining
Life
(Years)
 
Aggregate
Intrinsic
Value
($ in thousands)
Outstanding at June 30, 2013
 
557,427

 
12.81
 
5.44
 
5.1
 
1,620

Granted
 
1,927

 
18.68
 
9.17
 
6.4
 

Exercised
 
(112,964
)
 
13.10
 
5.81
 
 
895

Cancelled/Forfeited
 
(33,936
)
 
16.63
 
6.13
 
 

Outstanding at June 30, 2014
 
412,454

 
12.44
 
5.30
 
4.4
 
3,782

Granted
 
25,703

 
23.91
 
10.38
 
6.8
 
Exercised
 
(95,723
)
 
16.17
 
5.86
 
 
747

Cancelled/Forfeited
 
(13,134
)
 
11.26
 
5.00
 
 
Outstanding at June 30, 2015
 
329,300

 
12.30
 
5.54
 
3.9
 
3,700

Granted
 
21,595

 
29.48
 
12.63
 
6.4
 

Exercised
 
(112,895
)
 
12.35
 
5.37
 
 
1,853

Cancelled/Forfeited
 
(18,371
)
 
13.45
 
6.17
 
 

Outstanding at June 30, 2016
 
219,629

 
13.87
 
6.28
 
3.7
 
3,995

Vested and exercisable, June 30, 2016
 
180,298

 
11.06
 
5.13
 
3.1
 
3,800

Vested and expected to vest, June 30, 2016
 
217,160

 
13.72
 
6.22
 
3.6
 
3,983

NQOs | Nonvested  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes nonvested NQO activity for the three most recent fiscal years:
Nonvested NQOs:
 
Number
of
NQOs
 
Weighted
Average
Exercise
Price ($)
 
Weighted
Average
Grant Date
Fair Value ($)
 
Weighted
Average
Remaining
Life (Years)
Outstanding at June 30, 2013
 
315,661

 
10.80
 
5.12
 
6.1
Granted
 
1,927

 
18.68
 
9.17
 
6.4
Vested
 
(133,957
)
 
11.02
 
5.21
 
Forfeited
 
(15,833
)
 
11.48
 
5.49
 
Outstanding at June 30, 2014
 
167,798

 
10.65
 
5.06
 
5.3
Granted
 
25,703

 
23.91
 
10.38
 
6.8
Vested
 
(101,172
)
 
9.87
 
4.72
 
Forfeited
 
(12,134
)
 
10.31
 
4.91
 
Outstanding at June 30, 2015
 
80,195

 
15.94
 
7.21
 
5.2
Granted
 
21,595

 
29.48
 
12.63
 
6.4
Vested
 
(47,418
)
 
14.05
 
6.44
 
Forfeited
 
(15,641
)
 
12.95
 
6.09
 
Outstanding at June 30, 2016
 
38,731

 
27.02
 
11.63
 
6.1


PNQs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
Following are the assumptions used in the Black-Scholes valuation model for PNQs granted during the fiscal years ended June 30, 2016, 2015 and 2014:
 
 
Year Ended June 30,
 
 
2016
 
2015
 
2014
Weighted average fair value of PNQs
 
$
11.38

 
$
10.16

 
$
10.49

Risk-free interest rate
 
1.6
%
 
1.5
%
 
1.8
%
Dividend yield
 

 
%
 
%
Average expected term (years)
 
4.9

 
5.0

 
6.0

Expected stock price volatility
 
42.5
%
 
47.9
%
 
50.5
%
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes PNQ activity for the three most recent fiscal years:
Outstanding PNQs:
 
Number
of
PNQs
 
Weighted
Average
Exercise
Price ($)
 
Weighted
Average
Grant Date
Fair Value ($)
 
Weighted
Average
Remaining
Life
(Years)
 
Aggregate
Intrinsic
Value
($ in 
thousands)
Outstanding at June 30, 2013
 

 
 
 
 

Granted
 
112,442

 
21.27
 
10.49
 
6.5
 

Cancelled/Forfeited
 

 
 
 
 

Outstanding at June 30, 2014
 
112,442

 
21.27
 
10.49
 
6.5
 
38

Granted
 
121,024

 
23.44
 
10.16
 
6.6
 

Cancelled/Forfeited
 
(9,399
)
 
21.33
 
10.52
 
 

Outstanding at June 30, 2015
 
224,067

 
22.44
 
10.31
 
6.0
 
237

Granted
 
143,466

 
29.48
 
11.38
 
6.2
 

Exercised
 
(14,144
)
 
21.20
 
10.45
 
0
 
107

Cancelled/Forfeited
 
(64,790
)
 
23.20
 
10.37
 
0
 

Outstanding at June 30, 2016
 
288,599

 
25.83
 
10.82
 
5.7
 
1,798

Vested and exercisable, June 30, 2016
 
48,132

 
22.52
 
10.31
 
5.1
 
459

Vested and expected to vest, June 30, 2016
 
274,919

 
25.75
 
10.81
 
5.7
 
1,736

Nonvested | PNQs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes nonvested NQO activity for the two most recent fiscal years:
Nonvested PNQs:
 
Number
of
PNQs
 
Weighted
Average
Exercise
Price ($)
 
Weighted
Average
Grant Date
Fair Value ($)
 
Weighted
Average
Remaining
Life (Years)
Outstanding at June 30, 2014
 
112,442

 
21.27

 
10.49

 
6.5

Granted
 
121,024

 
23.44

 
10.16

 
6.6

Vested
 
(34,959
)
 
21.27

 
10.49

 

Forfeited
 
(9,399
)
 
21.33

 
10.52

 

Outstanding at June 30, 2015
 
189,108

 
22.66

 
10.28

 
6.2

Granted
 
143,466

 
29.48

 
11.38

 
6.2

Vested
 
(27,317
)
 
10.16

 
23.44

 

Forfeited
 
(64,790
)
 
23.20

 
10.37

 

Outstanding at June 30, 2016
 
240,467

 
26.49

 
10.92

 
5.9