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Stock-Based Compensation (Tables)
 12 Months Ended
Jun. 30, 2021
Stock Settled Stock Appreciation Rights SARS [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2021, 2020 and 2019, we granted SSSARs to various employees under the terms of the plan. The following table summarizes information relating to these grants:
202120202019
SSSARs granted124 180 157 
Weighted average grant date fair value per right$36.24 $24.06 $23.55 
Weighted average assumptions used in fair value calculations:
Risk-free interest rate0.51 %1.17 %2.43 %
Dividend yield1.69 %1.81 %1.68 %
Volatility factor of the expected market price of our common stock28.63 %22.57 %21.77 %
Expected life in years4.554.013.04
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:
202120202019
Compensation expense$3,568 $3,049 $3,074 
Tax benefits$749 $640 $646 
Intrinsic value of exercises$6,187 $6,693 $6,008 
Fair Value Of Awards Vested
The total fair values of SSSARs vested for each of the years ended June 30 were as follows:
202120202019
Fair value of vested rights$3,404 $2,972 $3,143 
Stock-Settled Stock Appreciation Rights Activity
The following table summarizes the activity relating to SSSARs granted under the plan for the year ended June 30, 2021:
Number of
Rights		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Contractual
Life in
Years		Aggregate
Intrinsic
Value
Outstanding at beginning of year539 $142.16 
Exercised(203)$131.76 
Granted124 $177.87 
Forfeited(6)$147.72 
Outstanding at end of year454 $156.49 3.34$16,806 
Exercisable and vested at end of year160 $142.58 2.33$8,155 
Vested and expected to vest at end of year439 $156.18 3.32$16,392 
Stock-Settled Stock Appreciation Rights Outstanding By Grant Year
The following table summarizes information about the SSSARs outstanding by grant year at June 30, 2021:
 OutstandingExercisable
   Weighted Average  
Grant YearsRange of
Exercise Prices		Number
Outstanding		Remaining
Contractual
Life in
Years		Exercise
Price		Number
Exercisable		Weighted
Average
Exercise
Price
2021
$167.18-$187.30
1244.65$177.87—$—
2020
$153.71-$154.44
1653.64$153.7447$153.73
2019
$148.18-$180.60
962.66$154.8244$155.03
2018
$121.09-$124.29
401.65$121.1740$121.17
2017
$135.06
290.65$135.0629$135.06
Employee Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2021, 2020 and 2019, we granted shares of restricted stock to various employees under the terms of the plan. The following table summarizes information relating to these grants:
202120202019
Employees
Restricted stock granted17 31 13 
Grant date fair value$2,918 $4,813 $2,030 
Weighted average grant date fair value per award$177.89 $153.72 $154.66 
Director Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2021, 2020 and 2019, we also granted shares of restricted stock to our nonemployee directors under the terms of the plan. The following table summarizes information relating to each of these grants:
202120202019
Nonemployee directors
Restricted stock granted4 5 4 
Grant date fair value$774 $760 $760 
Weighted average grant date fair value per award$172.89 $155.70 $180.16 
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:
202120202019
Compensation expense$3,558 $3,066 $2,898 
Tax benefits$747 $644 $609 
Fair Value Of Awards Vested
The total fair values of restricted stock vested for each of the years ended June 30 were as follows:
202120202019
Fair value of vested shares$3,148 $2,284 $3,537 
Restricted Stock Activity
The following table summarizes the activity relating to restricted stock granted under the plan for the year ended June 30, 2021:
Number of
Shares		Weighted
Average Grant
Date Fair Value
Unvested restricted stock at beginning of year69 $144.27 
Granted21 $176.82 
Vested(25)$128.03 
Forfeited(3)$142.45 
Unvested restricted stock at end of year62 $161.35