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Note 2 - Acquisitions (Tables) | 12 Months Ended
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Jun. 30, 2018
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 |  | $ | 1,662 |  |  |  |  |  |  | $ | 1,662 |
Equipment and other long-term assets |  |  | 154 |  |  |  | (101 | ) |  |  | 53 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 3,800 |  |  |  | 1,300 |  |  |  | 5,100 |
Trade name |  |  | 1,400 |  |  |  | (1,240 | ) |  |  | 160 |
Customer relationships |  |  | 1,900 |  |  |  | (1,640 | ) |  |  | 260 |
Goodwill |  |  | 4,595 |  |  |  | 1,396 |  |  |  | 5,991 |
Total assets acquired |  |  | 13,511 |  |  |  | (285 | ) |  |  | 13,226 |
Liabilities |  |  | 92 |  |  |  | 295 |  |  |  | 387 |
Deferred income taxes, net |  |  | 2,785 |  |  |  | (590 | ) |  |  | 2,195 |
Net assets acquired |  | $ | 10,634 |  |  | $ | 10 |  |  | $ | 10,644 |
Cash paid, net of cash acquired |  | $ | 10,634 |  |  | $ | 10 |  |  | $ | 10,644 |
|  | Preliminary Allocation at Acquisition Date |  |  | Adjustments to Fair Value |  |  | Final Opening Balance Sheet Allocation |
Current assets, net of cash |  | $ | 18,678 |  |  | $ | (2,956 | ) |  | $ | 15,722 |
Equipment and other long-term assets |  |  | 4,348 |  |  |  | 553 |  |  |  | 4,901 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 9,000 |  |  |  | 14,700 |  |  |  | 23,000 |
Trade name |  |  | 1,000 |  |  |  | 1,300 |  |  |  | 2,300 |
Customer relationships |  |  | 1,500 |  |  |  | 1,400 |  |  |  | 3,600 |
Goodwill |  |  | 21,695 |  |  |  | (11,500 | ) |  |  | 10,195 |
Total assets acquired |  |  | 56,221 |  |  |  | 3,497 |  |  |  | 59,718 |
Liabilities |  |  | 90 |  |  |  | - |  |  |  | 90 |
Deferred income taxes, net |  |  | 4,845 |  |  |  | 3,509 |  |  |  | 8,354 |
Net assets acquired |  | $ | 51,286 |  |  | $ | (12 | ) |  | $ | 51,274 |
Cash paid, net of cash acquired |  | $ | 51,286 |  |  | $ | (12 | ) |  | $ | 51,274 |
|  | Preliminary Allocation at Acquisition Date |  |  | Adjustments to Fair Value |  |  | Final Opening Balance Sheet Allocation |
Current assets, net of cash |  | $ | 512 |  |  | $ | - |  |  | $ | 512 |
Equipment and other long-term assets |  |  | 188 |  |  |  | - |  |  |  | 188 |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  |  | 6,272 |  |  |  | - |  |  |  | 6,272 |
Goodwill |  |  | 113 |  |  |  | 2,797 |  |  |  | 2,910 |
Total assets acquired |  |  | 7,085 |  |  |  | 2,797 |  |  |  | 9,882 |
Liabilities |  |  | 483 |  |  |  | - |  |  |  | 483 |
Deferred income taxes, net |  |  | 2,070 |  |  |  | - |  |  |  | 2,070 |
Net assets acquired |  | $ | 4,532 |  |  | $ | 2,797 |  |  | $ | 7,329 |
Cash paid, net of cash acquired |  | $ | 3,136 |  |  | $ | 2,797 |  |  | $ | 5,933 |
Consideration payable |  | $ | 1,396 |  |  | $ | - |  |  | $ | 1,396 |
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] |
|  | ACD |  |  | Space |  |  | Zephyrus |  |  | Cliniqa |
Current assets, net of cash |  | $ | 15,824 |  |  | $ | 2,128 |  |  |  | 56 |  |  |  | 11,926 |
Equipment |  |  | 2,757 |  |  |  | 159 |  |  |  | 32 |  |  |  | 1,436 |
Other long-term assets |  |  | 3,812 |  |  |  | - |  |  |  | - |  |  |  | 58 |
Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 150,000 |  |  |  | - |  |  |  | 8,300 |  |  |  | 18,000 |
Trade name |  |  | 21,900 |  |  |  | - |  |  |  | - |  |  |  | 1,100 |
Customer relationships |  |  | 6,300 |  |  |  | 6,769 |  |  |  | - |  |  |  | 27,000 |
Goodwill |  |  | 143,967 |  |  |  | 3,517 |  |  |  | 8,686 |  |  |  | 42,669 |
Total assets acquired |  |  | 344,560 |  |  |  | 12,573 |  |  |  | 17,074 |  |  |  | 102,189 |
Liabilities |  |  | 4,179 |  |  |  | 1,445 |  |  |  | 53 |  |  |  | 1,508 |
Deferred income taxes, net |  |  | 52,743 |  |  |  | 2,125 |  |  |  | 2,521 |  |  |  | 17,793 |
Net assets acquired |  | $ | 287,638 |  |  | $ | 9,003 |  |  | $ | 14,500 |  |  | $ | 82,888 |
Cash paid, net of cash acquired |  | $ | 247,038 |  |  | $ | 6,747 |  |  |  | 8,000 |  |  |  | 82,888 |
Consideration payable |  |  | 3,600 |  |  |  | 2,256 |  |  |  | - |  |  |  | - |
Contingent consideration payable |  |  | 37,000 |  |  |  | - |  |  |  | 6,500 |  |  |  | - |
Net assets acquired |  | $ | 287,638 |  |  | $ | 9,003 |  |  | $ | 14,500 |  |  | $ | 82,888 |

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