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Share-Based Compensation (Stock Option Plans) (Details) (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning of year, Options 1,969,477    
Outstanding, beginning of year, Weighted-Average Exercise Price $ 27.47    
Outstanding, beginning of year, Weighted-Average Remaining Contractual Life 5 years 8 months 1 day    
Granted during the period, Options 85,578    
Granted during the period, Weighted Average Exercise Price $ 34.23    
Exercised during the period, Options (415,959)    
Exercised during the period, Weighted-Average Exercise Price $ 21.67    
Canceled, forfeited, or expired during the period, Options (9,137)    
Canceled, forfeited, or expired during the period, Weighted-Average Exercise Price $ 34.42    
Outstanding, end of year, Options 1,629,959 1,969,477  
Outstanding, end of year, Weighted-Average Exercise Price $ 29.27 $ 27.47  
Outstanding, end of year, Weighted-Average Remaining Contractual Life (years) 5 years 8 months 1 day    
Outstanding, end of year, Aggregate Intrinsic Value $ 5,970,110    
Vested and expected to vest, Options 1,629,870    
Vested and expected to vest, Weighted-Average Exercise Price $ 29.27    
Vested and expected to vest, Weighted-Average Remaining Contractual Life (years) 5 years 8 months 1 day    
Vested and expected to vest, Aggregate Intrinsic Value 5,970,070    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,385,371    
Exercisable, end of year, Weighted-Average Exercise Price $ 28.60    
Exercisable, end of Year, Weighted-Average Remaining Contractual Life (years) 5 years 1 month 13 days    
Exercisable, end of Year, Aggregate Intrinsic Value $ 5,652,620    
Granted during period, Weighted Average Grand Date Fair-Value $ 14.94 $ 17.21 $ 12.43
Unvested Shares [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning of year, Options 445,010    
Outstanding, beginning of year, Weighted-Average Exercise Price $ 26.29    
Granted during the period, Options 85,578    
Granted during the period, Weighted Average Exercise Price $ 34.23    
Vested during period, Weighted Average Exercise Price $ 22.71    
Canceled, forfeited, or expired during the period, Options (5,297)    
Canceled, forfeited, or expired during the period, Weighted-Average Exercise Price $ 33.30    
Outstanding, end of year, Options 244,588    
Outstanding, end of year, Weighted-Average Exercise Price $ 33.02    
Outstanding, beginning of year, Weighted Average Grants Date Fair-Value $ 12.25    
Granted during period, Weighted Average Grand Date Fair-Value $ 14.94    
Vested during period, Options (280,703)    
Vested during period, Weighted Average Grant Date Fair-Value $ 10.28    
Canceled or forfeited during period, Weighted Average Grant Date Fair-Value $ 10.42    
Outstanding, end of year, Weighted Average Grants Date Fair-Value $ 15.49