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Note 19 - Segment Information - International Design Centers (Details) | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
International Design Centers [Member] |  |  |
Number of stores | 124 | 110 | 113
International Design Centers [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member] |  |  |
% of total design centers international | 6.80% | 10.20% | 10.00%
International Design Centers [Member] | Number of International Design Centers, Total [Member] | Geographic Concentration Risk [Member] |  |  |
% of total design centers international | 41.10% | 37.20% | 37.30%
UNITED STATES | Revenue Benchmark [Member] | Geographic Concentration Risk [Member] |  |  |
United States | 93.20% | 89.80% | 90.00%
Non-US [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member] |  |  |
United States | 6.80% | 10.20% | 10.00%
Independently Operated Member] | International Design Centers [Member] |  |  |
Number of stores | 118 | 104 | 107
International Design Centers [Member] | Company Operated Design Centers [Member] |  |  |
Number of stores | 6 | 6 | 6

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