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Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Activity) (Details) (Stock Settled Stock Appreciation Rights SARS [Member], USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Stock Settled Stock Appreciation Rights SARS [Member]
    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Rights, Outstanding at beginning of period 446,000  
Number of Rights, Exercised (51,000)  
Number of Rights, Granted 0 0
Number of Rights, Forfeited 0  
Number of Rights, Outstanding at end of period 395,000  
Number of Rights, Exercisable and vested at end of period 93,000  
Number of Rights, Vested and expected to vest at end of period 384,000  
Weighted Average Exercise Price, Outstanding at beginning of period $ 60.55  
Weighted Average Exercise Price, Exercised $ 50.06  
Weighted Average Exercise Price, Granted $ 0.00  
Weighted Average Exercise Price, Forfeited $ 0.00  
Weighted Average Exercise Price, Outstanding at end of period $ 61.90  
Weighted Average Exercise Price, Exercisable and vested at end of period $ 53.99  
Weighted Average Exercise Price, Vested and expected to vest at end of period $ 61.82  
Weighted Average Remaining Contractual Life in Years, Outstanding at end of period 3 years 5 months 23 days  
Weighted Average Remaining Contractual Life in Years, Exercisable and vested at end of period 2 years 3 months 18 days  
Weighted Average Remaining Contractual Life in Years, Vested and expected to vest at end of period 3 years 5 months 9 days  
Aggregate Intrinsic Value, Outstanding at end of period $ 4,483  
Aggregate Intrinsic Value, Exercisable and vested at end of period 1,786  
Aggregate Intrinsic Value, Vested and expected to vest at end of period $ 4,388