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Share - Based Compensation Textuals (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year 11 months    
Aggregate number of shares of common stock awarded under the 2007 Plan 2,000    
Shares available for future grants 1,648    
Performance shares, goal reaching period, tied to Company’s EBITDA 1 year    
Compensation expense $ 5,761 $ 6,366 $ 5,631
Share-based compensation arrangement by share-based payment award, award vesting period 4 years    
Restricted Stock Units (RSUs) [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, award vesting period 3 years    
Stock Options and Stock Appreciation Rights [ Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months    
Weighted-average remaining contractual terms for SARs/stock options outstanding 6 years 4 months    
Weighted-average remaining contractual terms for SARs/stock options exercisable 5 years    
Aggregate intrinsic values of SARs and stock options outstanding 21,104    
Aggregate intrinsic values of SARs/stock options exercisable 14,958    
Aggregate intrinsic value of the SARs/stock options exercised 7,135 13,747 18,526
Total fair value of shares vested 2,135 4,266 2,645
Compensation expense 2,317 2,058 2,473
Long-Term Performance Grants [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense     1,020
Performance Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year 9 months    
Shares available for future grants 70    
Compensation expense 1,074 1,983 1,705
Share-based compensation arrangement by share-based payment award, award vesting period 3 years    
Restricted Stock [Member] | Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, award vesting period 1 year    
Restricted Stock [Member] | Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, award vesting period 4 years    
Restricted stock and Restricted Stock units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year 5 months    
Compensation expense $ 2,370 $ 2,325 $ 1,453