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Stock-Based Compensation (Tables)
 12 Months Ended
Jun. 30, 2022
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 and 2020, we granted SSSARs to various employees under the terms of the plan. The following table summarizes information relating to these grants:
20212020
SSSARs granted124 180 
Weighted average grant date fair value per right$36.24 $24.06 
Weighted average assumptions used in fair value calculations:
Risk-free interest rate0.51 %1.17 %
Dividend yield1.69 %1.81 %
Volatility factor of the expected market price of our common stock28.63 %22.57 %
Expected life in years4.554.01
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:
202220212020
Compensation expense$3,566 $3,568 $3,049 
Tax benefits$749 $749 $640 
Intrinsic value of exercises$317 $6,187 $6,693 
Fair Value Of Awards Vested
The total fair values of SSSARs vested for each of the years ended June 30 were as follows:
202220212020
Fair value of vested rights$4,095 $3,404 $2,972 
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, 2022:
Number of
Rights		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Contractual
Life in
Years		Aggregate
Intrinsic
Value
Outstanding at beginning of year454 $156.49 
Exercised(44)$138.20 
Granted— $— 
Forfeited(17)$167.03 
Outstanding at end of year393 $158.12 2.53$269 
Exercisable and vested at end of year265 $153.36 2.19$269 
Vested and expected to vest at end of year393 $158.13 2.53$269 
Stock-Settled Stock Appreciation Rights Outstanding By Grant Year
The following table summarizes information about the SSSARs outstanding by grant year at June 30, 2022:
 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
1153.65$177.8640$177.86
2020
$153.71-$154.44
1532.64$153.74100$153.74
2019
$148.18-$180.60
901.67$154.8490$154.84
2018
$121.09-$124.29
350.65$121.1835$121.18
Employee Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2022, 2021 and 2020, we granted shares of restricted stock to various employees under the terms of the plan. The following table summarizes information relating to these grants:
202220212020
Employees
Restricted stock granted30 17 31 
Grant date fair value$5,691 $2,918 $4,813 
Weighted average grant date fair value per award$189.12 $177.89 $153.72 
Director Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2022, 2021 and 2020, 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:
202220212020
Nonemployee directors
Restricted stock granted5 4 5 
Grant date fair value$799 $774 $760 
Weighted average grant date fair value per award$162.15 $172.89 $155.70 
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:
202220212020
Compensation expense$4,942 $3,558 $3,066 
Tax benefits$1,038 $747 $644 
Fair Value Of Awards Vested
The total fair values of restricted stock vested for each of the years ended June 30 were as follows:
202220212020
Fair value of vested shares$2,772 $3,148 $2,284 
Restricted Stock Activity
The following table summarizes the activity relating to restricted stock granted under the plan for the year ended June 30, 2022:
Number of
Shares		Weighted
Average Grant
Date Fair Value
Unvested restricted stock at beginning of year62 $161.35 
Granted35 $185.32 
Vested(17)$159.49 
Forfeited(6)$172.20 
Unvested restricted stock at end of year74 $172.27 
Performance Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock-Based Compensation Grant Details
In 2022, we granted performance units to various employees under the terms of the plan. The following table summarizes information relating to these grants:
2022
Performance units granted20 
Grant date fair value$4,151 
Weighted average grant date fair value per award$201.67 
Compensation Expense And Tax Benefits Recorded
The following table summarizes our performance units compensation expense and tax benefits recorded for the year ended June 30:
2022
Compensation expense$1,055 
Tax benefits$222 
Performance Units Grant Date Valuation Assumptions For our performance units with a market condition, the grant-date fair value is estimated using a Monte Carlo simulation. The assumptions used in the Monte Carlo simulation were as follows:
2022
Risk-free interest rate0.41 %
Dividend yield1.65 %
Volatility factor of the expected market price of our common stock31.30 %
Performance Units Activity
The following table summarizes the activity relating to performance units granted under the plan for the year ended June 30, 2022:
Number of
Units		Weighted
Average Grant
Date Fair Value
Unvested performance units at beginning of year— $— 
Granted20 $201.67 
Vested— $— 
Forfeited(1)$201.92 
Unvested performance units at end of year19 $201.65