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4. Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 557,900	$ 518,800
Accumulated impairment loss	(41,700)	(41,700)
Goodwill, net	516,191	477,115
Goodwill, Acquired During Period	34,800
Currency fluctuations	4,300
Life Science [Member]
Goodwill [Line Items]
Goodwill	242,100	207,100
Accumulated impairment loss	(27,200)	(27,200)
Goodwill, net	214,900	179,900
Goodwill, Acquired During Period	34,800
Currency fluctuations	200
Clinical Diagnostics [Member]
Goodwill [Line Items]
Goodwill	315,800	311,700
Accumulated impairment loss	(14,500)	(14,500)
Goodwill, net	301,300	$ 297,200
Goodwill, Acquired During Period	0
Currency fluctuations	$ 4,100

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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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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-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
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+ References

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