Property, Plant and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Property, Plant and Equipment, net
Less: accumulated depreciation	$ (119,953)		$ (119,953)		$ (102,983)
Property, plant and equipment, net before construction in progress	157,451		157,451		166,905
Property, plant and equipment, net	168,844		168,844		179,518
Depreciation expense	5,800	$ 6,200	17,200	$ 17,900
Held in foreign countries
Property, Plant and Equipment, net
Property, plant and equipment, net	500		500		500
Land
Property, Plant and Equipment, net
Property, plant and equipment, gross	1,783		1,783		1,783
Building and improvements
Property, Plant and Equipment, net
Property, plant and equipment, gross	103,361		103,361		100,285
Machinery and equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	168,858		168,858		164,704
Furniture and fixtures
Property, Plant and Equipment, net
Property, plant and equipment, gross	3,402		3,402		3,116
Construction in progress
Property, Plant and Equipment, net
Property, plant and equipment, net	$ 11,393		$ 11,393		$ 12,613