Property, Plant And Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 562,495			$ 562,495		$ 519,306
Less: Accumulated depreciation and amortization	248,258			248,258		227,440
Property, plant and equipment, net	314,237			314,237		291,866
Depreciation	8,212		$ 8,376	24,580	$ 25,172
Impairment of long-lived assets	4,839		$ 0	8,290	$ 0
Facility Closing
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets	2,557
Expected costs of closure of facility	6,300			6,300
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	29,628			29,628		28,092
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	81,306			81,306		83,648
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	321,962			321,962		300,750
Non-cash impairment charge	2,057
Machinery and equipment [Member] | Prepaid Expenses and Other Current Assets [Member]
Property, Plant and Equipment [Line Items]
Assets held-for-sale	686			686
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	53,168			53,168		50,773
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,266			18,266		15,613
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	30,579			30,579		29,296
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27,586			27,586		$ 11,134
Manufacturing facility [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge		$ 3,676
Manufacturing facility [Member] | Prepaid Expenses and Other Current Assets [Member]
Property, Plant and Equipment [Line Items]
Assets held-for-sale	$ 4,064			$ 4,064