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Note 11 - Income Taxes (Tables) | 12 Months Ended
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Jun. 30, 2017
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 15,265 |  |  | $ | 27,660 |  |  | $ | 15,064 |
State |  |  | 1,585 |  |  |  | 2,898 |  |  |  | 489 |
Foreign |  |  | 445 |  |  |  | 88 |  |  |  | 55 |
Total current |  |  | 17,295 |  |  |  | 30,646 |  |  |  | 15,608 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 3,413 |  |  |  | (237 | ) |  |  | 2,979 |
State |  |  | 85 |  |  |  | 207 |  |  |  | 759 |
Foreign |  |  | 8 |  |  |  | 703 |  |  |  | 195 |
Total deferred |  |  | 3,506 |  |  |  | 673 |  |  |  | 3,933 |
Income Tax Expense (Benefit) |  | $ | 20,801 |  |  | $ | 31,319 |  |  | $ | 19,541 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Expected Income Tax Expense |  | $ | 19,947 |  |  |  | 35.0 | % |  | $ | 30,785 |  |  |  | 35.0 | % |  | $ | 19,839 |  |  |  | 35.0 | %
State income taxes, net of federal income tax |  |  | 1,403 |  |  |  | 2.5 | % |  |  | 2,514 |  |  |  | 2.9 | % |  |  | 1,597 |  |  |  | 2.8 | %
Valuation allowance |  |  | 329 |  |  |  | 0.6 | % |  |  | 339 |  |  |  | 0.4 | % |  |  | 409 |  |  |  | 0.7 | %
Section 199 Qualified Production Activities deduction |  |  | (999 | ) |  |  | -1.8 | % |  |  | (1,513 | ) |  |  | -1.7 | % |  |  | (998 | ) |  |  | -1.8 | %
Unrecognized tax expense (benefit) |  |  | (48 | ) |  |  | -0.1 | % |  |  | (479 | ) |  |  | -0.5 | % |  |  | (641 | ) |  |  | -1.1 | %
Other, net |  |  | 169 |  |  |  | 0.3 | % |  |  | (327 | ) |  |  | -0.4 | % |  |  | (665 | ) |  |  | -1.2 | %
Actual income tax expense (benefit) |  | $ | 20,801 |  |  |  | 36.5 | % |  | $ | 31,319 |  |  |  | 35.6 | % |  | $ | 19,541 |  |  |  | 34.5 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2017 |  |  | 2016 |
Deferred tax assets: |  |  |  |  |  |  |  |
Employee compensation accruals |  |  | 4,395 |  |  |  | 4,343 |
Stock based compensation |  |  | 2,878 |  |  |  | 2,665 |
Deferred rent credits |  |  | 7,290 |  |  |  | 6,705 |
Net operating loss carryforwards |  |  | 3,687 |  |  |  | 3,375 |
Inventories |  |  | 1,254 |  |  |  | 155 |
Goodwill |  |  | 953 |  |  |  | 1,729 |
Other, net |  |  | 2,396 |  |  |  | 2,504 |
Total deferred tax assets |  |  | 22,853 |  |  |  | 21,476 |
Less: Valuation allowance |  |  | (2,485 | ) |  |  | (2,155 | )
Net deferred tax assets |  | $ | 20,368 |  |  | $ | 19,321 |
|  | 2017 |  |  | 2016 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Property, plant and equipment |  |  | 5,360 |  |  |  | 654 |
Intangible assets other than goodwill |  |  | 14,166 |  |  |  | 14,260 |
Commissions |  |  | 3,420 |  |  |  | 3,478 |
Other, net |  |  | - |  |  |  | - |
Total deferred tax liability |  |  | 22,946 |  |  |  | 18,392 |
Total net deferred tax asset (liability) |  | $ | (2,578 | ) |  | $ | 929 |
Schedule of Deferred Tax Assets Expiration with Respect to Net Operating Losses [Table Text Block] |
|  | Deferred |  |  | Net Operating |
|  | Income |  |  | Loss |
|  | Tax Assets |  |  | Carryforwards |
United States (State), expiring between 2018 and 2032 |  | $ | 1,110 |  |  | $ | 23,760 |
Foreign, Expiring in 2034 |  |  | 2,577 |  |  |  | 7,622 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | 2017 |  |  | 2016 |
Beginning balance |  | $ | 2,170 |  |  | $ | 3,117 |
Additions for tax positions taken |  |  | 646 |  |  |  | 776 |
Reductions for tax positions taken in prior years |  |  | (694 | ) |  |  | (1,530 | )
Settlements |  |  | (16 | ) |  |  | (193 | )
Ending balance |  | $ | 2,106 |  |  | $ | 2,170 |
Other Assets [Member] |
Notes Tables |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2017 |  |  | 2016 |
Current assets |  | $ | 3,916 |  |  | $ | 3,174 |
Non-current assets |  |  | 1,167 |  |  |  | 835 |
Current liabilities |  |  | - |  |  |  | - |
Non-current liabilities |  |  | 7,661 |  |  |  | 3,080 |
Total net deferred tax asset (liability) |  | $ | (2,578 | ) |  | $ | 929 |

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