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4. Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill	$ 537,800	$ 524,100
Accumulated impairment loss	(28,200)	(28,200)
Goodwill, net	509,582	495,948
Currency fluctuations	10,900
Goodwill, Acquired During Period	2,800
Life Science [Member]
Goodwill [Line Items]
Goodwill	210,500	207,200
Accumulated impairment loss	(27,200)	(27,200)
Goodwill, net	183,300	180,000
Currency fluctuations	500
Goodwill, Acquired During Period	2,800
Clinical Diagnostics [Member]
Goodwill [Line Items]
Goodwill	327,300	316,900
Accumulated impairment loss	(1,000)	(1,000)
Goodwill, net	326,300	$ 315,900
Currency fluctuations	10,400
Goodwill, Acquired During Period	$ 0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
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No definition available.

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+ References

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-Name Accounting Standards Codification
-Topic 350
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-Paragraph 1
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