Pensions and Postretirement Benefits Other Than Pensions (Schedule of Pretax Amounts Recognized in Accumulated Other Comprehensive Income or (Loss)) (Details) (Pension Plans [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Balance at December 31, 2010	$ (1,159.2)
Current year changes recorded to Accumulated other comprehensive income (loss)	(220.6)
Amortization reclassified to earnings	56.7
Settlements/curtailments reclassified to earnings	93.3
Currency translation and other	(0.6)
Balance at December 31, 2011	(1,230.4)
Prior Service Cost [Member]
Balance at December 31, 2010	(38.2)
Current year changes recorded to Accumulated other comprehensive income (loss)	(0.9)
Amortization reclassified to earnings	5.6
Settlements/curtailments reclassified to earnings	3.1
Currency translation and other	0
Balance at December 31, 2011	(30.4)
Net Actuarial Losses [Member]
Balance at December 31, 2010	(1,121.0)
Current year changes recorded to Accumulated other comprehensive income (loss)	(219.7)
Amortization reclassified to earnings	51.1
Settlements/curtailments reclassified to earnings	90.2
Currency translation and other	(0.6)
Balance at December 31, 2011	$ (1,200.0)