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Stock-Based Compensation (Schedule Of Options Outstanding And Exercisable) (Details)
shares in Thousands
3 Months Ended
Sep. 30, 2017
$ / shares
shares
6.96 - 13.90 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower $ 6.96
Range of Price Upper $ 13.90
Options Outstanding | shares 38
Weighted Average Remaining Life, Years 2 years 1 month 6 days
Weighted Average Exercise Price $ 12.13
17.23 - 19.77 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower 17.23
Range of Price Upper $ 19.77
Options Outstanding | shares 34
Weighted Average Remaining Life, Years 4 years 2 months 12 days
Weighted Average Exercise Price $ 18.54
20.50 - 27.57 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower 20.50
Range of Price Upper $ 27.57
Options Outstanding | shares 39
Weighted Average Remaining Life, Years 5 years 9 months 18 days
Weighted Average Exercise Price $ 25.69
31.06 - 32.13 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower 31.06
Range of Price Upper $ 32.13
Options Outstanding | shares 32
Weighted Average Remaining Life, Years 7 years 2 months 12 days
Weighted Average Exercise Price $ 31.62
43.09 - 47.45 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower 43.09
Range of Price Upper $ 47.45
Options Outstanding | shares 60
Weighted Average Remaining Life, Years 8 years 10 months 24 days
Weighted Average Exercise Price $ 45.42
6.96 - 47.45 [Member]  
Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Price Lower 6.96
Range of Price Upper $ 47.45
Options Outstanding | shares 203
Weighted Average Remaining Life, Years 6 years
Weighted Average Exercise Price $ 28.77