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Share-Based Compensation (Summary of Nonvested Awards) (Details) (Nonvested Awards [Member], USD $)
12 Months Ended
Jun. 30, 2012
Nonvested Awards [Member]
 
Nonvested equity instruments other than options beginning balance, shares 1,202,526
Equity instruments other than options granted, shares 1,592,391
Equity instruments other than options vested, shares (530,878)
Equity instruments other than options forfeited, shares (50,668)
Nonvested equity instruments other than options ending balance, shares 2,213,371
Nonvested equity instruments other than options beginning balance, weighted average grant date fair value per share (in USD per share) $ 28.10
Equity instruments other than options granted, weighted average grant date fair value per share (in USD per share) $ 27.36
Equity instruments other than options vested, weighted average grant date fair value per share (in USD per share) $ 27.95
Equity instruments other than options forfeited, weighted average grant date fair value per share (in USD per share) $ 27.85
Nonvested equity instruments other than options ending balance, weighted average grant date fair value per share (in USD per share) $ 27.61