Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 27, 2020	Dec. 29, 2019	Jun. 28, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,573	$ (1,095)	$ 19,646	$ 1,585
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation			9,797	9,580
Foreign currency transaction loss	1,913	363	2,312	448
Loss on disposal of property, plant and equipment			1,426	283
Unrealized gain on peso forward contracts	(145)		(480)
Stock based compensation expense			582	624
Equity earnings of joint ventures	(1,075)	(492)	(1,900)	(976)
Non-cash compensation expense		2,300		4,473	$ 4,800	$ 4,200
Deferred income taxes				(1,032)
Change in operating assets and liabilities:
Receivables			(43,640)	18,387
Inventories			(1,933)	(5,249)
Other assets			3,737	1,397
Accounts payable and accrued liabilities			27,274	(9,057)
Other, net			235	145
Net cash provided by operating activities			17,056	20,608
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in VAST LLC			(100)
Purchase of property, plant and equipment			(4,593)	(7,384)
Proceeds received on sale of property, plant and equipment			3	15
Net cash used in investing activities			(4,690)	(7,369)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of borrowings under credit facility			(13,000)	(10,000)
Dividends paid to non-controlling interests of subsidiaries			(490)	(980)
Dividends paid				(1,047)
Exercise of stock options and employee stock purchases			40	519
Net cash used in financing activities			(13,450)	(11,508)
Foreign currency impact on cash			(258)	(255)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS			(1,342)	1,476
CASH AND CASH EQUIVALENTS
Beginning of period			11,774	7,809	7,809
End of period	$ 10,432	$ 9,285	10,432	9,285	$ 11,774	$ 7,809
Cash paid during the period for:
Income taxes			2,406	497
Interest			208	621
Non-cash investing activities:
Change in capital expenditures in accounts payable			$ (340)	$ (1,154)