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Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 04, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019
Goodwill |  | $ 730,412 |  | $ 732,667
Payments to Acquire Businesses, Net of Cash Acquired, Total |  | $ (0) | $ 272,229 |
B-MoGen [Member] |  |  |  |
Current assets, net of cash | $ 504 |  |  |
Equipment and other long-term assets | 269 |  |  |
Goodwill | 16,457 |  |  |
Total assets acquired | 31,630 |  |  |
Liabilities | 211 |  |  |
Deferred income taxes, net | 3,377 |  |  |
Net assets acquired | 28,042 |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | 17,448 |  |  |
Fair value of contingent consideration | 5,500 |  |  |
Fair value of historical investment in B-MoGen | 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 |  |  |

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- Definition Amount of equipment and other long-term assets acquired at the acquisition date. + References No definition available. + Details
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- Definition Amount of liabilities excluding deferred income taxes assumed at the acquisition date. + References No definition available. + Details
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- Definition Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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