Note 3 - Selected Balance Sheet Data - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
Dec. 31, 2020 USD ($)
Balance	$ 728,308
Acquisitions	8,811
Currency translation	9,547
Balance	746,666
Protein Sciences [Member]
Balance	373,081
Acquisitions	8,811
Currency translation	9,303
Balance	391,195
Diagnostics and Genomics [Member]
Balance	355,228
Acquisitions	0
Currency translation	243
Balance	$ 355,471

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
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-SubTopic 20
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