CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 144,372	$ 172,794	$ 407,824	$ 521,566
Cost of sales	94,380	99,571	258,699	303,012
Amortization of intangibles	8,316	7,906	23,497	24,286
Gross profit	41,676	65,317	125,628	194,268
Operating expenses:
Research and development expenses	7,441	9,838	23,287	29,371
Selling, general and administrative expenses	22,147	21,649	60,876	65,434
Restructuring expenses	191	452	1,771	1,687
Asset impairment charges	13,989		15,607	369,499
Total operating expenses	43,768	31,939	101,541	465,991
Operating income (loss)	(2,092)	33,378	24,087	(271,723)
Other income (loss):
Loss on extinguishment of debt		(413)	(2,145)	(413)
Investment income	393	925	1,552	1,860
Interest expense	(16,177)	(21,485)	(52,163)	(64,430)
Other	(380)	(401)	(181)	(1,409)
Total other loss	(16,164)	(21,374)	(52,937)	(64,392)
Income (loss) before income tax	(18,256)	12,004	(28,850)	(336,115)
Income tax expense (benefit)	(1,664)	1,359	(5,185)	(71,594)
Net income (loss)	$ (16,592)	$ 10,645	$ (23,665)	$ (264,521)
Earnings (loss) per common share:
Basic (in dollars per share)	$ (0.43)	$ 0.28	$ (0.61)	$ (7.01)
Diluted (in dollars per share)	$ (0.43)	$ 0.27	$ (0.61)	$ (7.01)
Weighted average common shares outstanding:
Basic (in shares)	38,707,049	37,842,224	38,539,850	37,729,099
Diluted (in shares)	38,707,049	39,330,847	38,539,850	37,729,099