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Consolidated Statements of Operations (USD $) In Millions, except Per Share data | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Income Statement [Abstract] |  |  |  |
REVENUE | $ 1,726.5 | $ 1,553.4 | $ 4,942.0 | $ 4,502.1
OPERATING EXPENSES: |  |  |  |
Salaries and related expenses | 1,088.0 | 1,007.1 | 3,263.8 | 2,977.4
Office and general expenses | 465.5 | 444.7 | 1,375.5 | 1,304.4
Restructuring and other reorganization-related (reversals) charges, net | (0.2) | 1.4 | 0.8 | 2.3
Total operating expenses | 1,553.3 | 1,453.2 | 4,640.1 | 4,284.1
OPERATING INCOME | 173.2 | 100.2 | 301.9 | 218.0
EXPENSES AND OTHER INCOME: |  |  |  |
Interest expense | (32.9) | (34.7) | (97.9) | (102.3)
Interest income | 9.7 | 6.8 | 27.7 | 19.4
Other income (expense), net | 137.1 | (3.1) | 136.3 | (4.7)
Total (expenses) and other income | 113.9 | (31.0) | 66.1 | (87.6)
Income before income taxes | 287.1 | 69.2 | 368.0 | 130.4
Provision for income taxes | 70.4 | 24.4 | 96.5 | 72.4
Income of consolidated companies | 216.7 | 44.8 | 271.5 | 58.0
Equity in net income of unconsolidated affiliates | 0.8 | 0.8 | 1.7 | 0.4
NET INCOME | 217.5 | 45.6 | 273.2 | 58.4
Net (income) loss attributable to noncontrolling interests | (6.5) | (0.3) | (2.8) | 4.8
NET INCOME ATTRIBUTABLE TO IPG | 211.0 | 45.3 | 270.4 | 63.2
Dividends on preferred stock | (2.9) | (2.9) | (8.7) | (12.7)
Benefit from preferred stock repurchased | 0 | 0 | 0 | 25.7
NET INCOME AVAILABLE TO IPG COMMON STOCKHOLDERS | $ 208.1 | $ 42.4 | $ 261.7 | $ 76.2
Earnings per share |  |  |  |
Basic | $ 0.45 | $ 0.09 | $ 0.56 | $ 0.16
Diluted | $ 0.40 | $ 0.08 | $ 0.50 | $ 0.11
Weighted-average number of common shares outstanding: |  |  |  |
Basic | 464.7 | 474.7 | 471.3 | 473.0
Diluted | 537.6 | 533.6 | 527.8 | 526.4
Dividends declared per common share | $ 0.06 | $ 0.00 | $ 0.18 | $ 0.00

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