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Property, Plant and Equipment Textuals (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 24, 2011	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 20.1	$ 326.5	$ 271.3	$ 365.5
Asset Retirement Obligation, Liabilities Incurred			3.7
Asset Retirement Obligation			4.3	0.6
Asset Retirement Obligation, Current			1.1	0.1
Asset Retirement Obligations, Noncurrent			$ 3.2	$ 0.5

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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