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4. Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill	$ 534,800	$ 524,100
Accumulated impairment loss	(28,200)	(28,200)
Goodwill, net	506,573	495,948
Goodwill, Acquired During Period	2,800
Currency fluctuations	7,900
Life Science [Member]
Goodwill [Line Items]
Goodwill	210,400	207,200
Accumulated impairment loss	(27,200)	(27,200)
Goodwill, net	183,200	180,000
Goodwill, Acquired During Period	2,800
Currency fluctuations	400
Clinical Diagnostics [Member]
Goodwill [Line Items]
Goodwill	324,400	316,900
Accumulated impairment loss	(1,000)	(1,000)
Goodwill, net	323,400	$ 315,900
Goodwill, Acquired During Period	0
Currency fluctuations	$ 7,500

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
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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+ References

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-Publisher FASB
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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Section 50
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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

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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
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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

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-Name Accounting Standards Codification
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