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10. Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2011
Comprehensive Income [Abstract] |
Components of total comprehensive income (loss) | The components of our total comprehensive income (loss) are as follows (in millions):
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2011 |  | 2010 |  | 2011 |  | 2010
Net income including noncontrolling interests | $ | 45.9 |  |  | $ | 45.1 |  |  | $ | 118.8 |  |  | $ | 119.0 |
Foreign currency translation adjustments | (71.4 | ) |  | 85.1 |  |  | 12.8 |  |  | 28.8 |
Net unrealized holding gains (losses) on available-for-sale investments, net of tax benefit of $7.1 million and tax expense of $1.0 million for the three months ended September 30, 2011 and 2010, respectively, and tax expense of $1.1 million and tax benefit of $1.0 million for the nine months ended September 30, 2011 and 2010, respectively. | (12.1 | ) |  | 1.7 |  |  | 2.0 |  |  | (1.7 | )
Reclassification adjustments for gains included in Net income including noncontrolling interests, net of tax benefit of $0.1 and tax expense of $0.1 million for the three months ended September 30, 2011 and 2010, respectively, and tax expense of $0.2 million for the nine months ended September 30, 2010. There was no tax impact for the nine months ended September 30, 2011. | — |  |  | — |  |  | 0.1 |  |  | 0.2 |
Total comprehensive (loss) income | (37.6 | ) |  | 131.9 |  |  | 133.7 |  |  | 146.3 |
Comprehensive income attributable to noncontrolling interests | (0.4 | ) |  | (2.6 | ) |  | — |  |  | (1.9 | )
Comprehensive (loss) income attributable to Bio-Rad | $ | (38.0 | ) |  | $ | 129.3 |  |  | $ | 133.7 |  |  | $ | 144.4 |

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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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