Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 25, 2018	Mar. 31, 2019	Mar. 25, 2018
Income Statement [Abstract]
Net sales	$ 179,989	$ 165,867	$ 529,311	$ 497,587
Cost of sales	166,198	149,311	481,345	435,063
Gross profit	13,791	16,556	47,966	62,524
Selling, general and administrative expenses	11,439	13,846	40,672	41,335
Provision (benefit) for bad debts	218	27	381	(104)
Other operating expense, net	1,359	1,100	1,218	1,763
Operating income	775	1,583	5,695	19,530
Interest income	(149)	(182)	(448)	(444)
Interest expense	1,256	1,187	4,078	3,562
Loss on extinguishment of debt			131
Equity in earnings of unconsolidated affiliates	(1,873)	(544)	(3,126)	(3,842)
Income before income taxes	1,541	1,122	5,060	20,254
Provision (benefit) for income taxes	3,070	946	3,606	(684)
Net (loss) income	$ (1,529)	$ 176	$ 1,454	$ 20,938
Net (loss) income per common share:
Basic	$ (0.08)	$ 0.01	$ 0.08	$ 1.15
Diluted	$ (0.08)	$ 0.01	$ 0.08	$ 1.12