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Stock-Based Compensation - Summary of activity related to SSARs/non-qualified stock options and RSUs/restricted shares issued (Details 1) (USD $)
6 Months Ended
Dec. 31, 2013
SSARs/ Non-qualified Stock Options
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, June 30, 2013 275,550
Granted   
Exercised/Issued (129,430)
Forfeited/Lapsed (3,230)
Outstanding, December 31, 2013 142,890
RSUs
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, June 30, 2013 1,042,746
Granted 234,858
Exercised/Issued (300,488)
Forfeited/Lapsed (27,130)
Outstanding, December 31, 2013 949,986
Weighted average grant date fair value for RSUs $ 72.09