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Condensed Consolidated Statements of Cash Flows (Parenthetical) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Statement of Cash Flows [Abstract]    
Interest Paid, Net $ 24.9 $ 24.8
Income Taxes Paid, Net $ 30.0 $ 31.5