Note 3 - Selected Balance Sheet Data - Property and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Jun. 30, 2020 |
|---|---|---|
| Property and equipment, cost | $ 376,993 | $ 346,650 |
| Accumulated depreciation and amortization | (181,391) | (169,821) |
| Property and equipment, net | 195,602 | 176,829 |
| Land [Member] | ||
| Property and equipment, cost | 8,584 | 8,516 |
| Building and Building Improvements [Member] | ||
| Property and equipment, cost | 189,068 | 184,430 |
| Machinery and Equipment [Member] | ||
| Property and equipment, cost | $ 179,341 | $ 153,704 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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