Note 17 - Subsequent Events (Details) - CooperSurgical Inc $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Finite-lived Intangible Assets Acquired	$ 21,000
Remaining years of exclusive U.S. distribution rights for Femcare's Filshie Clip System	4.75

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration