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10. Comprehensive Income (Tables) | 6 Months Ended
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Jun. 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 |  | Six Months Ended
| June 30, |  | June 30,
| 2011 |  | 2010 |  | 2011 |  | 2010
Net income including noncontrolling interests | $ | 40.0 |  |  | $ | 38.5 |  |  | $ | 73.0 |  |  | $ | 73.9 |
Foreign currency translation adjustments | 63.3 |  |  | (35.5 | ) |  | 84.1 |  |  | (56.3 | )
Net unrealized holding gains (losses) on available-for-sale investments, net of tax expense of $2.0 million and tax benefit of $4.1 million for the three months ended June 30, 2011 and 2010, respectively, and tax expense of $8.2 million and tax benefit of $2.0 million for the six months ended June 30, 2011 and 2010, respectively. | 3.5 |  |  | (7.0 | ) |  | 14.1 |  |  | (3.4 | )
Reclassification adjustments for gains included in net income including noncontrolling interests, net of tax expense of $0.1 million for the six months ended June 30, 2011 and 2010. There was no tax effect for the three months ended June 30, 2011 or 2010. | — |  |  | — |  |  | 0.1 |  |  | 0.2 |
Total comprehensive income (loss) | 106.8 |  |  | (4.0 | ) |  | 171.3 |  |  | 14.4 |
Comprehensive loss attributable to noncontrolling interests | 0.2 |  |  | 1.1 |  |  | 0.3 |  |  | 0.7 |
Comprehensive income (loss) attributable to Bio-Rad | $ | 107.0 |  |  | $ | (2.9 | ) |  | $ | 171.6 |  |  | $ | 15.1 |

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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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