Supplemental Balance Sheet Information (Components Of Property, Plant And Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Supplemental Balance Sheet Information [Abstract]
Property, plant and equipment, at cost	$ 1,060,896	$ 969,166
Accumulated depreciation and amortization	(601,424)	(551,831)
Property, plant and equipment, net	$ 459,472	$ 417,335

Supplemental Balance Sheet Information [Abstract]

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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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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.

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