Property, Plant And Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 506,441		$ 506,441		$ 506,304
Less: accumulated depreciation and amortization	218,812		218,812		218,459
Property, plant and equipment, net	287,629		287,629		287,845
Depreciation	7,789	$ 7,105	23,518	$ 21,335
United States [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge	5,875		5,875
United Kingdom [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge				5,275
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,920		13,920		14,240
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	81,645		81,645		83,151
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	276,569		276,569		274,554
Non-cash impairment charge				$ 534
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	59,220		59,220		48,984
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	19,417		19,417		17,325
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	39,478		39,478		32,264
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16,192		$ 16,192		$ 35,786