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Supplementary Data (Tables) | 3 Months Ended
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Mar. 31, 2012
Supplementary Data [Abstract] |
Accrued Liabilities | The following table presents the components of accrued liabilities.
| March 31, 2012 |  | December 31, 2011
Salaries, benefits and related expenses | $ | 402.1 |  |  | $ | 520.6 |
Office and related expenses | 49.7 |  |  | 57.9 |
Acquisition obligations | 45.5 |  |  | 43.7 |
Interest | 24.7 |  |  | 40.3 |
Professional fees | 22.6 |  |  | 25.3 |
Other | 132.1 |  |  | 139.3 |
Total accrued liabilities | $ | 676.7 |  |  | $ | 827.1 |
Other Expense, net | Results of operations for the three months ended March 31, 2012 and 2011 include certain items which are not directly associated with our revenue-producing operations.
| Three months ended March 31,
| 2012 |  | 2011
Losses on sales of businesses and investments | $ | (3.4 | ) |  | $ | (6.6 | )
Vendor discounts and credit adjustments | 2.4 |  |  | 0.1 |
Other (expense) income, net | (0.3 | ) |  | 0.4 |
Total other expense, net | $ | (1.3 | ) |  | $ | (6.1 | )
Share Repurchase Program | The following table presents our share repurchase activity under our share repurchase programs.
| Three months ended March 31,
| 2012 |  | 2011
Number of shares repurchased | 4.9 |  |  | 0.9 |
Aggregate cost, including fees | $ | 52.5 |  |  | $ | 10.5 |
Average price per share, including fees | $ | 10.61 |  |  | $ | 12.36 |
Redeemable Noncontrolling Interests | The following table presents changes in our redeemable noncontrolling interests.
| Three months ended March 31,
| 2012 |  | 2011
Balance at beginning of period | $ | 243.4 |  |  | $ | 291.2 |
Change in related noncontrolling interest balance | (3.9 | ) |  | (11.2 | )
Changes in redemption value of redeemable noncontrolling interests: |  |  |
Additions | 0.0 |  |  | 3.6 |
Redemptions and other | (13.0 | ) |  | (7.4 | )
Redemption value adjustments 1 | (2.8 | ) |  | 9.7 |
Balance at end of period | $ | 223.7 |  |  | $ | 285.9 |
1 | Redeemable noncontrolling interests are reported at their estimated redemption value in each reporting period, but not less than their initial fair value. Any adjustment to the redemption value impacts retained earnings or additional paid-in capital, except adjustments as a result of currency translation.

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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 43 -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 D-98 -Paragraph 44 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 40 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 25 -Appendix A Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 41 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 42 -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. + Details
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