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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 $)
9 Months Ended
Mar. 31, 2014
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 (169,170)
Forfeited/Lapsed (3,230)
Outstanding, March 31, 2014 103,150
RSUs
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, June 30, 2013 1,042,746
Granted 248,214
Exercised/Issued (353,214)
Forfeited/Lapsed (57,804)
Outstanding, March 31, 2014 879,942
Weighted average grant date fair value for RSUs $ 72.20