Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014	$ 7.4
2015	6.1
2016	5.5
2017	4.8
2018	3.9
Thereafter	10.0
Total	37.7
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014	2.5
2015	2.1
2016	1.8
2017	1.7
2018	1.5
Thereafter	6.2
Total	15.8
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014	4.9
2015	4.0
2016	3.7
2017	3.1
2018	2.4
Thereafter	3.8
Total	$ 21.9

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