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Income Taxes
9 Months Ended
Sep. 30, 2011
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] 
Income Taxes
INCOME TAXES
The liability for unrecognized tax benefits was $91.7 and $84.4 at September 30, 2011 and December 31, 2010, respectively, and is included in other long-term liabilities in the accompanying Consolidated Balance Sheets. The total amount of unrecognized tax benefits that would affect income tax expense if recognized in the Consolidated Financial Statements is $80.7. This amount includes interest and penalties of $17.5. It is reasonably possible that the total amount of unrecognized tax benefits will decrease by $5 to $10 in the next twelve months based upon the anticipated resolution of audits; however, actual developments in this area could differ from those currently expected.

The effective tax rate on net income from continuing operations was 30.2% and 30.0% for the three and nine months ended September 30, 2011, respectively, compared to 20.1% and 23.8% in the same periods last year.