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Stock Based Compensation And Incentive Performance Plans (Non-Vested Restricted Stock And Restricted Share Unit Awards) (Details) (USD $)
9 Months Ended
Mar. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Non-vested restricted stock and units - June 30, 2011, Number of Shares and Units 407,231
Non-vested restricted stock and units - June 30, 2011, Weighted Average Grant Date Fair Value (per share) $ 22.43
Granted, Number of Shares and Units 235,824
Granted, Weighted Average Grant Date Fair Value (per share) $ 35.47
Vested, Number of Shares and Units 127,820
Vested, Weighted Average Grant Date Fair Value (per share) $ 17.52
Forfeited, Number of Shares and Units 17,378
Forfeited, Weighted Average Grant Date Fair Value (per share) $ 26.51
Non-vested restricted stock and units - December 31, 2011, Number of Shares and Units 497,857
Non-vested restricted stock and units - December 31, 2011, Weighted Average Grant Date Fair Value (per share) $ 29.72