Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020
Income Statement [Abstract]
Net sales	$ 201,410	$ 162,776	$ 397,402	$ 304,281
Cost of sales	184,520	136,842	354,415	263,786
Gross profit	16,890	25,934	42,987	40,495
Selling, general and administrative expenses	11,966	12,625	24,636	23,989
Benefit for bad debts	(240)	(259)	(320)	(1,146)
Other operating expense, net	573	476	829	1,654
Operating income	4,591	13,092	17,842	15,998
Interest income	(194)	(187)	(452)	(312)
Interest expense	735	833	1,431	1,704
Equity in earnings of unconsolidated affiliates	(64)	(130)	(344)	(223)
Income before income taxes	4,114	12,576	17,207	14,829
Provision for income taxes	3,185	5,112	7,598	3,933
Net income	$ 929	$ 7,464	$ 9,609	$ 10,896
Net income per common share:
Basic	$ 0.05	$ 0.40	$ 0.52	$ 0.59
Diluted	$ 0.05	$ 0.40	$ 0.51	$ 0.58