Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Mar. 29, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 170,994	$ 179,989	$ 520,454	$ 529,311
Cost of sales	155,611	166,198	471,963	481,345
Gross profit	15,383	13,791	48,491	47,966
Selling, general and administrative expenses	11,720	11,439	35,208	40,672
Provision for bad debts	580	218	331	381
Other operating (income) expense, net	(62)	1,359	900	1,218
Operating income	3,145	775	12,052	5,695
Interest income	(173)	(149)	(595)	(448)
Interest expense	1,231	1,256	3,589	4,078
Equity in earnings of unconsolidated affiliates	(3,526)	(1,873)	(1,904)	(3,126)
Impairment of investment in unconsolidated affiliate	45,194		45,194
Loss on extinguishment of debt				131
(Loss) income before income taxes	(39,581)	1,541	(34,232)	5,060
Provision for income taxes	1,530	3,070	2,758	3,606
Net (loss) income	$ (41,111)	$ (1,529)	$ (36,990)	$ 1,454
Net (loss) income per common share:
Basic	$ (2.23)	$ (0.08)	$ (2.00)	$ 0.08
Diluted	$ (2.23)	$ (0.08)	$ (2.00)	$ 0.08