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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Number of Stores | 303 |  |
Number of Manufacturing Facilities | 9 |  |
Shipping, Handling and Transportation Costs | $ 71.3 | $ 71.7 | $ 67.3
Advertising Expense | 39.7 | 34.1 | $ 31.8
Prepaid Advertising | $ 1.5 | $ 2.0 |
Manufacturing Plants [Member] | UNITED STATES |  |  |
Number of Manufacturing Facilities | 6 |  |
Manufacturing Plants [Member] | MEXICO |  |  |
Number of Manufacturing Facilities | 1 |  |
Manufacturing Plants [Member] | HONDURAS |  |  |
Number of Manufacturing Facilities | 1 |  |
Sawmills [Member] | UNITED STATES |  |  |
Number of Manufacturing Facilities | 1 |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life | 20 years |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life | 20 years |  |
Wholly Owned Properties [Member] |  |  |
Number of Stores | 148 |  |
Independently Operated Member] |  |  |
Number of Stores | 155 |  |

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