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Stock Plans And Stock-Based Compensation (Summary Of Activity Related To MSPP And DSPP) (Details) (USD $)
12 Months Ended
Jun. 30, 2012
MSPP [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Unvested, Beginning Balance 77,492
Granted 10,309
Issued (32,960)
Forfeited (4,478)
Number of Shares, Unvested, Ending Balance 50,363
Weighted average grant date fair value as adjusted for the applicable discount $ 42.61
DSPP [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Unvested, Beginning Balance 668
Granted 943
Issued (1,209)
Number of Shares, Unvested, Ending Balance 402
Weighted average grant date fair value $ 57.53