Stock-Based Compensation (Schedule Of Assumptions Used In Black-Scholes Model) (Details)
|
3 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Employee Stock Option [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Expected dividends |
0.00%
|
0.00%
|
| Employee Stock [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Weighted Average Volatility Rate |
31.00%
|
32.00%
|
| Minimum | Employee Stock Option [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum |
0.50%
|
0.30%
|
| Expected volatility, minimum |
29.00%
|
32.00%
|
| Expected Term |
6 months
|
6 months
|
| Maximum | Employee Stock Option [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Risk-free interest rate, maximum |
0.60%
|
0.40%
|
| Expected volatility, maximum |
32.00%
|
32.00%
|
| Expected Term |
12 months
|
11 months 15 days
|