Note 8 - Property, Plant and Equipment - Property, Plant and Equipment Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Land and improvements	$ 83,343	$ 82,899
Building and improvements	384,641	404,522
Machinery and equipment	123,396	123,606
Property, plant and equipment, gross	591,380	611,027
Less: accumulated depreciation and amortization	(346,134)	(343,124)
Property, plant and equipment, net	$ 245,246	$ 267,903

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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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.

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