Stock-Based Compensation (Schedule Of Aggregate Number Of Shares And Cash That Could Be Awarded To Key Executives) (Details) - Jun. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total
2011-2013 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash
2011-2013 [Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash
2011-2013 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash
2013-2015 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	9
Cash	$ 251
2013-2015 [Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	24
Cash	$ 686
2013-2015 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	39
Cash	$ 1,133
2014-2016 [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	17
2014-2016 [Member] | Target [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	48
2014-2016 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	91
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	31
2015-2017 [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	60