Stock-Based Compensation (Schedule Of Aggregate Number Of Shares And Cash That Could Be Awarded To Key Executives) (Details) shares in Thousands	Jun. 30, 2016 shares
2014-2016 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	16
2014-2016 [Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	44
2014-2016 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	88
2015-2017 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	12
2015-2017 [Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	29
2015-2017 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	57
2016-2018[Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	10
2016-2018[Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	25
2016-2018[Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	48