Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2015	$ 10.1
2016	6.4
2017	4.2
2018	3.5
2019	2.6
Thereafter	5.9
Total	32.7
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2015	2.5
2016	1.9
2017	1.6
2018	1.4
2019	1.2
Thereafter	4.6
Total	13.2
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2015	7.6
2016	4.5
2017	2.6
2018	2.1
2019	1.4
Thereafter	1.3
Total	$ 19.5

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