CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 193,718	$ 184,305	$ 348,772	$ 339,266
Cost of sales	115,751	88,914	203,441	168,467
Amortization of intangibles	8,157	7,941	16,380	15,678
Gross profit	69,810	87,450	128,951	155,121
Operating expenses:
Research and development expenses	9,723	10,722	19,533	18,131
Selling, general and administrative expenses	23,197	28,493	43,785	47,531
Acquisition and integration-related expenses		65		83
Restructuring expenses	213	1,035	1,235	1,562
Asset impairment charges			369,499
Total operating expenses	33,133	40,315	434,052	67,307
Operating income (loss)	36,677	47,135	(305,101)	87,814
Other income (loss):
Investment income	556	2,325	935	3,489
Interest expense	(21,512)	(20,686)	(42,945)	(41,598)
Other	(712)	3,386	(1,008)	3,135
Total other loss	(21,668)	(14,975)	(43,018)	(34,974)
Income (loss) before income tax	15,009	32,160	(348,119)	52,840
Income tax expense (benefit)	2,647	18,138	(72,953)	25,561
Net income (loss)	$ 12,362	$ 14,022	$ (275,166)	$ 27,279
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.33	$ 0.38	$ (7.30)	$ 0.74
Diluted (in dollars per share)	$ 0.32	$ 0.37	$ (7.30)	$ 0.72
Weighted average common shares outstanding:
Basic (in shares)	37,761,176	37,066,902	37,674,200	37,029,483
Diluted (in shares)	39,112,547	38,290,358	37,674,200	38,087,826