Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Financial Information for Subsidiary and Guarantor Parent Financial Information for Subsidiary and Guarantor Parent (Changes) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Current assets	$ 2,513.8		$ 2,950.8
Assets	6,570.9		6,898.5
Current liabilities	903.0		1,211.0
Liabilities	3,580.2		3,903.8
Stockholders' equity	2,978.6	2,586.9	2,994.7	2,587.1
Cash flows provided by (used in) operating activities	(37.5)	58.0
Net Cash Provided by (Used in) Investing Activities	(188.3)	(223.2)
Cash used in financing activities	(445.9)	(65.3)
NonGuarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Current assets	4,220.1		4,015.2
Assets	6,827.1		6,582.7
Current liabilities	446.4		382.7
Liabilities	806.5		761.5
Stockholders' equity	6,008.5		5,821.2
Cash flows provided by (used in) operating activities	205.0	208.1
Net Cash Provided by (Used in) Investing Activities	(883.9)	(380.2)
Cash used in financing activities	(5.7)	(47.4)
Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Current assets	609.1		494.9
Assets	2,269.9		2,074.2
Current liabilities	1,379.0		1,131.0
Liabilities	1,927.8		1,686.9
Stockholders' equity	342.1		387.3
Cash flows provided by (used in) operating activities	(196.9)	(86.7)
Net Cash Provided by (Used in) Investing Activities	(70.9)	(201.6)
Cash used in financing activities	279.7	279.9
Parent Company
Condensed Financial Statements, Captions [Line Items]
Current assets	62.1		30.1
Assets	6,402.0		6,239.5
Current liabilities	1,455.1		1,286.7
Liabilities	3,423.4		3,244.8
Stockholders' equity	2,978.6		2,994.7
Cash flows provided by (used in) operating activities	(45.6)	(39.1)
Net Cash Provided by (Used in) Investing Activities	0	(0.1)
Cash used in financing activities	46.6	36.6
Consolidation Eliminations
Condensed Financial Statements, Captions [Line Items]
Current assets	(2,377.5)		(1,589.4)
Assets	(8,928.1)		(7,997.9)
Current liabilities	(2,377.5)		(1,589.4)
Liabilities	(2,577.5)		(1,789.4)
Stockholders' equity	(6,350.6)		(6,208.5)
Cash flows provided by (used in) operating activities	0	(24.3)
Net Cash Provided by (Used in) Investing Activities	766.5	358.7
Cash used in financing activities	(766.5)	(334.4)
Restatement Adjustment \| NonGuarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash flows provided by (used in) operating activities		180.6
Net Cash Provided by (Used in) Investing Activities		(358.7)
Cash used in financing activities		178.1
Restatement Adjustment \| Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash flows provided by (used in) operating activities		(138.3)
Cash used in financing activities		138.3
Restatement Adjustment \| Parent Company
Condensed Financial Statements, Captions [Line Items]
Cash flows provided by (used in) operating activities		(18.0)
Cash used in financing activities		18.0
Restatement Adjustment \| Consolidation Eliminations
Condensed Financial Statements, Captions [Line Items]
Cash flows provided by (used in) operating activities		(24.3)
Net Cash Provided by (Used in) Investing Activities		358.7
Cash used in financing activities		$ (334.4)