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15. Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Data [Table Text Block]

		First Quarter				Second Quarter				Third Quarter				Fourth Quarter
2012
Net sales		$	486.3			$	510.4			$	498.7			$	573.8
Gross profit		278.6				287.9				273.5				314.1
Net income attributable to Bio-Rad		31.0				48.3				42.4				42.0
Basic earnings per share		$	1.10			$	1.71			$	1.50			$	1.48
Diluted earnings per share		$	1.09			$	1.69			$	1.48			$	1.46
2011
Net sales		$	485.1			$	521.7			$	516.5			$	550.2
Gross profit		277.6				293.1				296.2				311.0
Net income attributable to Bio-Rad		33.0				40.0				45.9				59.2
Basic earnings per share		$	1.18			$	1.43			$	1.63			$	2.11
Diluted earnings per share		$	1.16			$	1.41			$	1.61			$	2.08

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- Definition

Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 270

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)-(j)

-URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306

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