Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Property, Plant and Equipment
Less: accumulated depreciation	$ (79,991)			$ (79,991)		$ (89,996)
Property, plant and equipment, net before construction in progress	168,377			168,377		196,032
Property, plant and equipment, net	195,607			195,607		233,247
Depreciation expense	5,700		$ 5,400	12,200	$ 11,100
Impairment charges	0
Disposal group held for sale
Property, Plant and Equipment
Property, plant and equipment, held for sale		$ 36,600
Impairment of the Cody long-lived assets		$ 29,900		29,900
Held in foreign countries
Property, Plant and Equipment
Property, plant and equipment, net	1,700			1,700		1,100
Land
Property, Plant and Equipment
Property, plant and equipment, gross	2,283			2,283		2,900
Building and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	85,958			85,958		105,041
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	156,903			156,903		173,988
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	3,224			3,224		4,099
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, net	$ 27,230			$ 27,230		$ 37,215