CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales		$ 136,110	$ 193,718	$ 263,452	$ 348,772
Cost of sales		86,663	115,751	164,319	203,441
Amortization of intangibles		8,153	8,157	15,181	16,380
Gross profit		41,294	69,810	83,952	128,951
Operating expenses:
Research and development expenses		6,906	9,723	15,846	19,533
Selling, general and administrative expenses		17,421	23,197	38,729	43,785
Restructuring expenses		192	213	1,580	1,235
Asset impairment charges				1,618	369,499
Total operating expenses		24,519	33,133	57,773	434,052
Operating income (loss)		16,775	36,677	26,179	(305,101)
Other income (loss):
Loss on extinguishment of debt				(2,145)
Investment income		430	556	1,159	935
Interest expense		(16,694)	(21,512)	(35,986)	(42,945)
Other		(735)	(712)	199	(1,008)
Total other loss		(16,999)	(21,668)	(36,773)	(43,018)
Income (loss) before income tax		(224)	15,009	(10,594)	(348,119)
Income tax expense (benefit)		(5,308)	2,647	(3,521)	(72,953)
Net income (loss)		$ 5,084	$ 12,362	$ (7,073)	$ (275,166)
Earnings (loss) per common share:
Basic (in dollars per share)		$ 0.13	$ 0.33	$ (0.18)	$ (7.30)
Diluted (in dollars per share)		$ 0.13	$ 0.32	$ (0.18)	$ (7.30)
Weighted average common shares outstanding:
Basic (in shares)		38,605,052	37,761,176	38,457,159	37,674,200
Diluted (in shares)	[1]	40,557,503	39,112,547	38,457,159	37,674,200

[1] See Note 14 “Earnings (Loss) Per Common Share” for details on calculation.