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12. Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 499,672	$ 486,277
Segment profit (loss)	33,554	54,366
Life Science [Member]
Segment Reporting Information [Line Items]
Net sales	156,300	154,800
Segment profit (loss)	(12,800)	(3,900)
Clinical Diagnostics [Member]
Segment Reporting Information [Line Items]
Net sales	339,900	327,200
Segment profit (loss)	36,100	45,700
All Other Segments [Member]
Segment Reporting Information [Line Items]
Net sales	3,500	4,300
Segment profit (loss)	100	900
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Segment profit (loss)	$ 23,400	$ 42,700

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Details

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