Property and Equipment, Net (Schedule of Property and equipment, net) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Property and Equipment, Net
Property and equipment, gross	$ 639,651	$ 617,122	$ 605,018
Accumulated depreciation	(349,415)	(331,020)	(323,043)
Property and equipment, net	290,236	286,102	281,975
Land [Member]
Property and Equipment, Net
Property and equipment, gross	44,229	43,246	41,480
Building [Member]
Property and Equipment, Net
Property and equipment, gross	317,064	313,068	311,185
Equipment [Member]
Property and Equipment, Net
Property and equipment, gross	261,722	248,359	239,417
Construction in progress [Member]
Property and Equipment, Net
Property and equipment, gross	$ 16,636	$ 12,449	$ 12,936

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, 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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