Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details)

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Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Apr. 06, 2021
Sep. 30, 2021
Jun. 30, 2021
Goodwill   $ 840,020 $ 843,067
Acquisition of Asuragen, Inc. [Member]      
Current assets, net of cash $ 10,422    
Equipment and other long-term assets 3,762    
Goodwill 94,970    
Total assets acquired 253,554    
Liabilities 4,003    
Deferred income taxes, net 15,664    
Net assets acquired 233,887    
Payments to Acquire Businesses, Net of Cash Acquired, Total 215,587    
Contingent consideration payable 18,300    
Net assets acquired 233,887    
Acquisition of Asuragen, Inc. [Member] | In Process Research and Development [Member]      
In-process research and development 22,700    
Acquisition of Asuragen, Inc. [Member] | Developed Technology Rights [Member]      
Intangible assets 107,000    
Acquisition of Asuragen, Inc. [Member] | Customer Relationships [Member]      
Intangible assets 11,700    
Acquisition of Asuragen, Inc. [Member] | Trade Names [Member]      
Intangible assets 2,000    
Acquisition of Asuragen, Inc. [Member] | Noncompete Agreements [Member]      
Intangible assets $ 1,000