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Share-Based Compensation (Tables)
6 Months Ended
Dec. 31, 2011
Share-Based Compensation [Abstract]  
Schedule Of Fair Value Assumptions Under Stock Option Plan
     Three Months Ended
December 31, 2011
    Three Months Ended
December 31, 2010
    Six Months Ended
December 31,  2011
    Six Months Ended
December 31,  2010
 

Risk free interest rate

     0.78     2.00     1.06     2.06

Expected volatility

     49     46     59     47

Expected life of options

     4.53 years        6.50 years        5.50 years        6.59 years   

Dividend yield

     None        None        None        None