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Stock-Based Compensation (Tables)
 12 Months Ended
Jun. 30, 2017
Stock Settled Stock Appreciation Rights SARS [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2017, 2016 and 2015, we granted SSSARs to various employees under the terms of the plans. The following table summarizes information relating to these grants:
 
2017
 
2016
 
2015
SSSARs granted
166

 
240

 
149

Weighted average grant date fair value per right
$
17.59

 
$
12.23

 
$
9.94

Weighted average assumptions used in fair value calculations:
 
 
 
 
 
Risk-free interest rate
1.36
%
 
0.86
%
 
0.86
%
Dividend yield
1.64
%
 
1.93
%
 
2.02
%
Volatility factor of the expected market price of our common stock
22.41
%
 
20.88
%
 
19.62
%
Expected life in years
2.47

 
2.69

 
2.71
Compensation Expense And Tax Benefits Recorded
The following table summarizes our SSSARs compensation expense and tax benefits recorded for each of the years ended June 30:
 
2017
 
2016
 
2015
Compensation expense
$
1,882

 
$
1,472

 
$
1,288

Tax benefits
$
659

 
$
515

 
$
451

Intrinsic value of exercises
$
2,281

 
$
3,788

 
$
1,162

Excess tax benefits
$
798

 
$
1,341

 
$
410
Fair Value Of Awards Vested
The total fair values of SSSARs vested for each of the years ended June 30 were as follows:
 
2017
 
2016
 
2015
Fair value of vested rights
$
1,916

 
$
1,192

 
$
1,252
Stock-Settled Stock Appreciation Rights Activity
The following table summarizes the activity relating to SSSARs granted under the plans for the year ended June 30, 2017:
 
Number of
Rights
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life in
Years
 
Aggregate
Intrinsic
Value
Outstanding at beginning of year
435

 
$
97.01

 
 
 
 
Exercised
(74
)
 
$
89.52

 
 
 
 
Granted
166

 
$
134.06

 
 
 
 
Forfeited
(6
)
 
$
110.77

 
 
 
 
Outstanding at end of year
521

 
$
109.70

 
3.62
 
$
8,603

Exercisable and vested at end of year
155

 
$
95.25

 
2.73
 
$
4,229

Vested and expected to vest at end of year
493

 
$
109.81

 
3.61
 
$
8,119
Stock-Settled Stock Appreciation Rights Outstanding By Grant Year
The following table summarizes information about the SSSARs outstanding by grant year at June 30, 2017:
 
 
Outstanding
 
Exercisable
 
 
 
 
 
 
Weighted Average
 
 
 
 
Grant Years
 
Range of
Exercise Prices
 
Number
Outstanding
 
Remaining
Contractual
Life in
Years
 
Exercise
Price
 
Number
Exercisable
 
Weighted
Average
Exercise
Price
2017
 
$121.54-$138.96
 
164
 
4.67
 
$134.04
 
—
 
$—
2016
 
$101.70-$112.62
 
217
 
3.69
 
$104.10
 
60
 
$104.59
2015
 
$91.13
 
94
 
2.65
 
$91.13
 
49
 
$91.13
2014
 
$79.78-$89.29
 
41
 
1.64
 
$89.01
 
41
 
$89.01
2013
 
$72.67
 
5
 
0.66
 
$72.67
 
5
 
$72.67
Employee Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2017, 2016 and 2015, we granted shares of restricted stock to various employees under the terms of the plans. The following table summarizes information relating to these grants:
 
2017
 
2016
 
2015
Employees
 
 
 
 
 
Restricted stock granted
12

 
28

 
9

Grant date fair value
$
1,591

 
$
2,923

 
$
845

Weighted average grant date fair value per award
$
134.07

 
$
102.89

 
$
91.13
Director Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2017, 2016 and 2015, we also granted shares of restricted stock to our nonemployee directors under the terms of the plans. The following table summarizes information relating to each of these grants:
 
2017
 
2016
 
2015
Nonemployee directors
 
 
 
 
 
Restricted stock granted
5

 
6

 
7

Grant date fair value
$
759

 
$
639

 
$
639

Weighted average grant date fair value per award
$
138.96

 
$
112.05

 
$
92.92
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation Expense And Tax Benefits Recorded
The following table summarizes our restricted stock compensation expense and tax benefits recorded for each of the years ended June 30:
 
2017
 
2016
 
2015
Compensation expense
$
2,366

 
$
1,854

 
$
1,752

Tax benefits
$
828

 
$
649

 
$
613

Excess tax benefits
$
325

 
$
76

 
$
153
Fair Value Of Awards Vested
The total fair values of restricted stock vested for each of the years ended June 30 were as follows:
 
2017
 
2016
 
2015
Fair value of vested shares
$
2,420

 
$
1,124

 
$
1,836
Restricted Stock Activity
The following table summarizes the activity relating to restricted stock granted under the plans for the year ended June 30, 2017:
 
Number of
Shares
 
Weighted
Average Grant
Date Fair Value
Unvested restricted stock at beginning of year
63

 
$
97.71

Granted
17

 
$
135.61

Vested
(26
)
 
$
94.32

Forfeited
(2
)
 
$
99.18

Unvested restricted stock at end of year
52

 
$
111.87