Business Combination and Integration (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
Jun. 02, 2010	Dec. 31, 2011	Dec. 31, 2010
BUSINESS COMBINATIONS AND INTEGRATION [Abstract]
Transaction and integration		$ 29.4	$ 150.0
Transaction and integration charges net of tax		18.2	103.1
Business Acquisition [Line Items]
Business Acquisition Equity Interest Issued Or Issuable Amount Of Shares Issued	30.9
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	567.8
Business Acquisition, Cost of Acquired Entity, Cash Paid	$ 770.0

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 99-12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant