New Facility (Details) - USD ($) $ in Thousands				9 Months Ended		18 Months Ended
	Sep. 30, 2016	Sep. 17, 2016	Sep. 15, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Jun. 30, 2016
Operating Leased Assets [Line Items]
Payments to Acquire Property, Plant, and Equipment			$ 42,500	$ 35,497	$ 16,193
Payments to Acquire Buildings, Expected Cost			60,000
Payments made to date				54,700
Purchase Obligation, Due in Next Twelve Months				41,919
Build to suit liability				0			$ 28,110
Purchase option, estimated purchase price			$ 42,000
Northlake, Texas
Operating Leased Assets [Line Items]
Purchase Obligation, Due in Next Twelve Months				500
Northlake, Texas | Machinery and Equipment
Operating Leased Assets [Line Items]
Payments to Acquire Property, Plant, and Equipment						$ 20,200
Minimum
Operating Leased Assets [Line Items]
Expected costs for machinery and equipment, furniture and fixtures and related expenditures		$ 35,000
Maximum
Operating Leased Assets [Line Items]
Expected costs for machinery and equipment, furniture and fixtures and related expenditures		39,000
Capital Addition Purchase Commitments [Member]
Operating Leased Assets [Line Items]
Maximum construction costs		$ 21,900
Payments made to date	$ 15,700
Purchase Commitment, Remaining Minimum Amount Committed				6,200
Texas Facility Construction Contract [Member]
Operating Leased Assets [Line Items]
Purchase Obligation, Due in Next Twelve Months				$ 5,500