Annual report pursuant to Section 13 and 15(d)

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

Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details) - USD ($) $ in Thousands								12 Months Ended
	Jun. 04, 2019	Feb. 01, 2019	Aug. 01, 2018	Jul. 02, 2018	Feb. 01, 2018	Jan. 02, 2018	Sep. 05, 2017	Jun. 30, 2020	Jun. 30, 2019	Feb. 01, 2019	Jun. 30, 2018
Goodwill								$ 728,308	$ 732,667		$ 597,890
Payments to Acquire Businesses, Net of Cash Acquired, Total								(0)	289,492		$ 67,851
Contingent consideration payable								199	$ 9,200
B-MoGen [Member]
Current assets, net of cash								504
Equipment and other long-term assets								269
Goodwill								16,131
Total assets acquired								31,304
Liabilities								211
Deferred income taxes, net								3,051
Net assets acquired								28,042
Payments to Acquire Businesses, Net of Cash Acquired, Total	$ 17,500							17,448
Consideration payable								5,500
Contingent consideration payable								5,094
Net assets acquired								28,042
B-MoGen [Member] \| Developed Technology Rights [Member]
Intangible assets								14,000
B-MoGen [Member] \| Customer Relationships [Member]
Intangible assets								400
Exosome Diagnostics, Inc [Member]
Current assets, net of cash								2,611
Equipment and other long-term assets								2,212
Goodwill								105,362
Total assets acquired								275,485
Liabilities								3,716
Deferred income taxes, net								16,346
Net assets acquired								255,423
Payments to Acquire Businesses, Net of Cash Acquired, Total			$ 251,600					251,623
Consideration payable								0
Contingent consideration payable								3,800
Net assets acquired								255,423
Exosome Diagnostics, Inc [Member] \| Developed Technology Rights [Member]
Intangible assets								105,000
Exosome Diagnostics, Inc [Member] \| Trade Names [Member]
Intangible assets								58,000
Exosome Diagnostics, Inc [Member] \| Customer Relationships [Member]
Intangible assets								2,300
QT Holdings Corporation [Member]
Current assets, net of cash								36
Equipment and other long-term assets								228
Goodwill								14,481
Total assets acquired								27,001
Liabilities								296
Deferred income taxes, net								943
Net assets acquired								25,762
Payments to Acquire Businesses, Net of Cash Acquired, Total				$ 20,500				20,462
Consideration payable								0
Contingent consideration payable								5,300
Net assets acquired								25,762
QT Holdings Corporation [Member] \| Developed Technology Rights [Member]
Intangible assets								12,256
Trevigen Inc. [Member]
Current assets, net of cash								1,662
Equipment and other long-term assets								53
Goodwill								5,991
Total assets acquired								13,226
Liabilities								387
Deferred income taxes, net								2,195
Net assets acquired								10,644
Payments to Acquire Businesses, Net of Cash Acquired, Total							$ 10,600	10,644
Consideration payable								0
Contingent consideration payable								0
Net assets acquired								10,644
Trevigen Inc. [Member] \| Developed Technology Rights [Member]
Intangible assets								5,100
Trevigen Inc. [Member] \| Trade Names [Member]
Intangible assets								160
Trevigen Inc. [Member] \| Customer Relationships [Member]
Intangible assets								260
Atlanta Biologicals [Member]
Current assets, net of cash								15,722
Equipment and other long-term assets								4,901
Goodwill								10,195
Total assets acquired								59,718
Liabilities								90
Deferred income taxes, net								8,354
Net assets acquired								51,274
Payments to Acquire Businesses, Net of Cash Acquired, Total						$ 51,300		51,274
Consideration payable								0
Contingent consideration payable								0
Net assets acquired								51,274
Atlanta Biologicals [Member] \| Developed Technology Rights [Member]
Intangible assets								23,000
Atlanta Biologicals [Member] \| Trade Names [Member]
Intangible assets								2,300
Atlanta Biologicals [Member] \| Customer Relationships [Member]
Intangible assets								3,600
Eurocell Diagnostics, SAS [Member]
Current assets, net of cash								512
Equipment and other long-term assets								188
Goodwill								2,910
Total assets acquired								9,882
Liabilities								483
Deferred income taxes, net								2,070
Net assets acquired								7,329
Payments to Acquire Businesses, Net of Cash Acquired, Total		$ 1,300			$ 6,000			5,933		$ 7,300
Consideration payable								1,396
Contingent consideration payable								0
Net assets acquired								7,329
Eurocell Diagnostics, SAS [Member] \| Customer Relationships [Member]
Intangible assets								$ 6,272