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Note 4 - Acquisitions (Tables) | 12 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
|  | Preliminary Allocation at Acquisition Date |  |  | Adjustments to Fair Value |  |  | Final Opening Balance Sheet Allocation |
Current assets, net of cash |  | $ | 36 |  |  |  |  |  |  | $ | 36 |
Equipment and other long-term assets |  |  | 284 |  |  |  | (56 | ) |  |  | 228 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 20,000 |  |  |  | (7,744 | ) |  |  | 12,256 |
Goodwill |  |  | 9,790 |  |  |  | 4,691 |  |  |  | 14,481 |
Total assets acquired |  |  | 30,110 |  |  |  | (3,109 | ) |  |  | 27,001 |
Liabilities |  |  | 765 |  |  |  | (469 | ) |  |  | 296 |
Deferred income taxes, net |  |  | 3,741 |  |  |  | (2,798 | ) |  |  | 943 |
Net assets acquired |  | $ | 25,604 |  |  | $ | 158 |  |  | $ | 25,762 |
Cash paid, net of cash acquired |  | $ | 20,404 |  |  | $ | 58 |  |  | $ | 20,462 |
Fair value of contingent consideration |  |  | 5,200 |  |  |  | 100 |  |  |  | 5,300 |
Net assets acquired |  | $ | 25,604 |  |  | $ | 158 |  |  | $ | 25,762 |
|  | Preliminary Allocation at Acquisition Date |  |  | Adjustments to Fair Value |  |  | Final Opening Balance Sheet Allocation |
Current assets, net of cash |  | $ | 5,118 |  |  |  | (2,507 | ) |  | $ | 2,611 |
Equipment and other long-term assets |  |  | 2,212 |  |  |  | - |  |  |  | 2,212 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 180,000 |  |  |  | (75,000 | ) |  |  | 105,000 |
Trade name |  |  | - |  |  |  | 58,000 |  |  |  | 58,000 |
Customer relationships |  |  | - |  |  |  | 2,300 |  |  |  | 2,300 |
Goodwill |  |  | 96,592 |  |  |  | 8,770 |  |  |  | 105,362 |
Total assets acquired |  |  | 283,922 |  |  |  | (8,437 | ) |  |  | 275,485 |
Liabilities |  |  | 2,624 |  |  |  | 1,092 |  |  |  | 3,716 |
Deferred income taxes, net |  |  | 27,673 |  |  |  | (11,327 | ) |  |  | 16,346 |
Net assets acquired |  | $ | 253,625 |  |  | $ | 1,798 |  |  | $ | 255,423 |
Cash paid, net of cash acquired |  | $ | 251,825 |  |  | $ | (202 | ) |  | $ | 251,623 |
Fair value of contingent consideration |  |  | 1,800 |  |  |  | 2,000 |  |  |  | 3,800 |
Net assets acquired |  | $ | 253,625 |  |  | $ | 1,798 |  |  | $ | 255,423 |
|  | Preliminary Allocation at Acquisition Date |
Current assets, net of cash |  | $ | 504 |
Equipment and other long-term assets |  |  | 269 |
Intangible assets: |  |  |  |
Developed technology |  |  | 14,000 |
Customer relationships |  |  | 400 |
Goodwill |  |  | 16,457 |
Total assets acquired |  |  | 31,630 |
Liabilities |  |  | 211 |
Deferred income taxes, net |  |  | 3,377 |
Net assets acquired |  | $ | 28,042 |
Cash paid, net of cash acquired |  | $ | 17,448 |
Fair value of contingent consideration |  |  | 5,500 |
Fair value of historical investment in B-MoGen |  |  | 5,094 |
Net assets acquired |  | $ | 28,042 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Year Ended |
|  | June 30, |
|  | 2017 |  |  | 2016 |
Net sales |  | $ | 564,220 |  |  | $ | 523,840 |
Net income |  |  | 99,380 |  |  |  | 110,536 |
Schedule of Business Acquisitions, by Acquisition [Table Text Block] |
|  | Trevigen |  |  | Atlanta Biologicals |  |  | Eurocell Diagnostics |  |  | ACD |  |  | Space |
Current assets, net of cash | $ | 1,662 |  | $ | 15,722 |  |  | $ | 512 |  |  | $ | 15,824 |  |  | $ | 2,128 |
Equipment and other long-term assets |  | 53 |  |  | 4,901 |  |  |  | 188 |  |  |  | 6,569 |  |  |  | 159 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | 5,100 |  |  | 23,000 |  |  |  | - |  |  |  | 150,000 |  |  |  | - |
Trade name |  | 160 |  |  | 2,300 |  |  |  | - |  |  |  | 21,900 |  |  |  | - |
Customer relationships |  | 260 |  |  | 3,600 |  |  |  | 6,272 |  |  |  | 6,300 |  |  |  | 6,769 |
Goodwill |  | 5,991 |  |  | 10,195 |  |  |  | 2,910 |  |  |  | 143,967 |  |  |  | 3,517 |
Total assets acquired |  | 13,226 |  |  | 59,718 |  |  |  | 9,882 |  |  |  | 344,560 |  |  |  | 12,573 |
Liabilities |  | 387 |  |  | 90 |  |  |  | 483 |  |  |  | 4,179 |  |  |  | 1,445 |
Deferred income taxes, net |  | 2,195 |  |  | 8,354 |  |  |  | 2,070 |  |  |  | 52,743 |  |  |  | 2,125 |
Net assets acquired | $ | 10,644 |  | $ | 51,274 |  |  | $ | 7,329 |  |  | $ | 287,638 |  |  | $ | 9,003 |
Cash paid, net of cash acquired |  | 10,644 |  |  | 51,274 |  |  | $ | 5,933 |  |  | $ | 247,038 |  |  | $ | 6,747 |
Consideration payable |  | - |  |  | - |  |  |  | 1,396 |  |  |  | 3,600 |  |  |  | 2,256 |
Contingent consideration payable |  | - |  |  | - |  |  |  | - |  |  |  | 37,000 |  |  |  | - |
Net assets acquired | $ | 10,644 |  | $ | 51,274 |  |  | $ | 7,329 |  |  | $ | 287,638 |  |  | $ | 9,003 |

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