Pension Plans And Other Postretirement Benefits (Schedule Of Expected Benefit Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2012	$ 47.9
2013	38.0
2014	39.5
2015	39.9
2016	40.8
2017-2021	235.1
Domestic Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2012	46.0
2013	35.2
2014	36.6
2015	38.0
2016	39.2
2017-2021	222.6
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2012	5.1
2013	5.2
2014	5.3
2015	5.3
2016	5.3
2017-2021	$ 23.5