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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 $)
3 Months Ended
Sep. 30, 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 (86,100)
Forfeited/Lapsed (3,230)
Outstanding, September 30, 2013 186,220
RSUs
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, June 30, 2013 1,042,746
Granted 217,974
Exercised/Issued (280,505)
Forfeited/Lapsed (24,472)
Outstanding, September 30, 2013 955,743
Weighted average grant date fair value for RSUs $ 72.12