Income Taxes Deferred Income Tax Assets, Liabilities and Related Valuation Allowance (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended						12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2011 International	Dec. 31, 2011 United States	Dec. 31, 2011 Deferred Tax Assets	Dec. 31, 2010 Deferred Tax Assets	Dec. 31, 2009 Deferred Tax Assets
Current Deferred Income Tax Assets:
Compensation Based Accruals	$ 28.6	$ 25.8
Deferred Tax Assets, Operating Loss Carryforwards, Current	79.6	0
Other	18.6	20.4
Valuation Allowance	(1.8)	(18.2)
Net Current Deferred Income Tax Assets	125.0	28.0
Noncurrent Deferred Income Tax Assets & Liabilities:
Net Operating Loss Carryforwards	388.2	518.4
Postretirement Benefits	128.5	94.6
Tax Credits	13.3	12.8
Other	68.7	76.4
Valuation Allowance	(35.2)	(290.1)
Property, Plant and Equipment	(248.1)	(264.8)
Goodwill	(212.8)	(210.2)
Other Intangibles	(159.5)	(171.9)
Net Noncurrent Deferred Income Tax Assets & Liabilities	(56.9)	(234.8)
Net Deferred Income Tax Liability	68.1	(206.8)
Deferred Tax Assets, Gross	736.7	757.5
Deferred Tax Liabilities	631.6	656.0
Income tax benefit recognized associated with release of valuation allowance	265.2
Valuation Allowance on Net Deferred Income Tax Assets	37.0	308.3			29.6	7.4
Summary of Valuation Allowances
Balance Beginning of Period	308.3		255.5	304.3
(Credits) Charges to Costs and Expenses							(262.8)	11.4	(11.5)
(Deduction) Additions							(8.5)	41.4	(37.3)
Balance at End of Period	$ 37.0		$ 255.5	$ 304.3