Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Property, Plant and Equipment
Less: accumulated depreciation	$ (83,238)			$ (83,238)		$ (89,996)
Property, plant and equipment, net before construction in progress	164,252			164,252		196,032
Property, plant and equipment, net	193,121			193,121		233,247
Depreciation expense	5,500		$ 5,000	17,700	$ 16,100
Impairment charges	0
Disposal group held for sale
Property, Plant and Equipment
Property, plant and equipment, held for sale		$ 36,800
Impairment of the Cody long-lived assets		$ 29,900		29,900
Held in foreign countries
Property, Plant and Equipment
Property, plant and equipment, net	1,300			1,300		1,100
Land
Property, Plant and Equipment
Property, plant and equipment, gross	1,783			1,783		2,900
Building and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	83,750			83,750		105,041
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	158,769			158,769		173,988
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	3,188			3,188		4,099
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, net	$ 28,869			$ 28,869		$ 37,215