Retirement Plans (Schedule Of Amounts Recognized In Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Net actuarial loss	$ 109.7
Amortization of Net prior service credit	(43.5)
Amounts arising during the period, Net actuarial loss (gain)	616.0
Amounts arising during the period, Net prior service credit	(0.4)
Amounts arising during the period, Foreign currency gain	(1.5)
Total	547.9
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of Net actuarial loss	0.1
Amortization of Net prior service credit	(12.5)
Amounts arising during the period, Net actuarial loss (gain)	(3.0)
Amounts arising during the period, Net prior service credit	(72.4)
Amounts arising during the period, Foreign currency gain
Total	$ (63.0)