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Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2011
Comprehensive Income [Abstract] |
Comprehensive Income |
| Three months ended September 30,
| 2011 |  | 2010
Net income | $ | 217.5 |  |  | $ | 45.6 |
Foreign currency translation adjustment, net of tax | (137.8 | ) |  | 77.1 |
Adjustments to pension and other postretirement plans, net of tax | 1.2 |  |  | 3.0 |
Net unrealized holding losses on securities, net of tax | (0.5 | ) |  | (0.1 | )
Total comprehensive income | 80.4 |  |  | 125.6 |
Comprehensive income attributable to noncontrolling interests | 4.4 |  |  | 1.3 |
Comprehensive income attributable to IPG | $ | 76.0 |  |  | $ | 124.3 |

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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 220 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 45 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e526-108580 + Details
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