Other Income and Expense Footnotes (Details) - Gain on sale of non-operating asset - USD ($) $ in Millions		3 Months Ended
Nov. 08, 2013	Mar. 31, 2013
Other income and expense [Line Items]
Ownership percentage by noncontrolling owners	14.60%
Gain on sale of noncontrolling interest	$ 22.3
Gain for proceeds received related to non-income-related tax settlement		$ 1.2

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Name:	us-gaap_GainLossOnSaleOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration