Statements of Operations-Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Interest expense, net
Acquisition-related accrued interest	$ 1,476	$ 613
Amortization of deferred financing costs and debt discount	989	967	$ 1,448
Other	495	339	383
Interest expense	16,848	14,554	33,081
Interest (income)	(256)	(249)	(119)
Interest expense, net	16,592	14,305	32,962
Depreciation and amortization
Depreciation of property, plant and equipment	17,659	16,813	16,439
Amortization of intangible assets	5,559	4,560	4,897
Amortization of other assets	234	231	117
Depreciation and amortization	23,452	21,604	21,453
Research and development expenditures	11,029	9,511	8,212
Term B Loans
Interest expense, net
Interest expense	11,631	11,717	2,419
Revolving credit facility
Interest expense, net
Interest expense	2,257	918	171
Domestic senior credit facility
Interest expense, net
Interest expense			1,328
Senior notes
Interest expense, net
Interest expense			24,281
Mayflower, BFI and Teva term loans
Interest expense, net
Interest expense			$ 3,051