Discontinued Operations and Assets and Liabilities Held For Sale (Components Of Assets And Liabilities Held For Sale In Condensed Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets held for sale:
Property, plant and equipment, net	$ 0	$ 3.8
Current assets	27.9	115.5
Other assets	0	0.3
Total assets held for sale	27.9	119.6
Liabilities held for sale:
Current liabilities	31.4	62.0
Other long-term liabilities and deferred credits	0	0.1
Total liabilities held for sale	31.4	62.1
Net assets (liabilities) held for sale	$ (3.5)	$ 57.5

Discontinued Operations and Assets and Liabilities Held For Sale (Components Of Assets And Liabilities Held For Sale In Condensed Consolidated Balance Sheets) (Details) (USD $)
In Millions, unless otherwise specified

Dec. 31, 2012

Dec. 31, 2011

Property, plant and equipment, net

$ 0

$ 3.8

Current assets

27.9

115.5

Other assets

0.3

Total assets held for sale

27.9

119.6

Liabilities held for sale:

Current liabilities

31.4

62.0

Other long-term liabilities and deferred credits

0.1

Total liabilities held for sale

31.4

62.1

Net assets (liabilities) held for sale

$ (3.5)

$ 57.5

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Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for current assets (assets with expected useful life shorter than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

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For the disposal group, including a component of the entity (discontinued operation), obligations not otherwise itemized that are due after one year or operating cycle, if longer, from the balance sheet date.

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Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset.

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Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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