CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 112,370	$ 144,372	$ 372,769	$ 407,824
Cost of sales	82,063	94,380	298,738	258,699
Amortization of intangibles	3,851	8,316	21,097	23,497
Gross profit	26,456	41,676	52,934	125,628
Operating expenses:
Research and development expenses	5,973	7,441	18,156	23,287
Selling, general and administrative expenses	17,636	22,147	46,502	60,876
Restructuring expenses		191	4,043	1,771
Asset impairment charges		13,989	198,000	15,607
Total operating expenses	23,609	43,768	266,701	101,541
Operating income (loss)	2,847	(2,092)	(213,767)	24,087
Other income (loss):
Loss on extinguishment of debt				(2,145)
Investment income	80	393	168	1,552
Interest expense	(12,631)	(16,177)	(40,613)	(52,163)
Other	18	(380)	23	(181)
Total other loss	(12,533)	(16,164)	(40,422)	(52,937)
Loss before income tax	(9,686)	(18,256)	(254,189)	(28,850)
Income tax benefit	(2,544)	(1,664)	(68,600)	(5,185)
Net loss	$ (7,142)	$ (16,592)	$ (185,589)	$ (23,665)
Loss per common share:
Basic (in dollars per share)	$ (0.18)	$ (0.43)	$ (4.72)	$ (0.61)
Diluted (in dollars per share)	$ (0.18)	$ (0.43)	$ (4.72)	$ (0.61)
Weighted average common shares outstanding:
Basic (in shares)	39,511,296	38,707,049	39,340,670	38,539,850
Diluted (in shares)	39,511,296	38,707,049	39,340,670	38,539,850