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Stock-Based Compensation (Summary Of Stock-Based Compensation Expense Recognized) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2012
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Stock-Based Compensation [Abstract]        
Restricted stock and restricted stock unit (RSU) expense $ 349 $ 3,430 $ 5,830 $ 9,656
Non-qualified stock option and stock settled stock appreciation right (SSAR) expense 144 422 564 1,439
Total stock-based compensation expense 493 3,852 6,394 11,095
Income tax benefit recognized for stock-based compensation expense $ 201 $ 1,483 $ 2,417 $ 4,360