CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Operating activities:
Net income (loss)	$ (802,000)	$ 4,094,000
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	8,247,000	6,857,000
Amortization of interest rate swap	97,000	270,000
Amortization of deferred loan costs	221,000	85,000
Noncash lease expense	4,289,000	4,413,000
Inventory write-down to net realizable value	80,000	455,000
Provision for warranty	129,000	280,000
Provision for doubtful accounts	49,000	32,000
Gain on disposal of assets	(32,000)	(124,000)
Gain on insurance proceeds, net of losses	(431,000)	(4,040,000)
Share-based compensation expense	163,000	178,000
Deferred income taxes	(2,578,000)	(1,635,000)
Changes in operating assets and liabilities:
Trade receivables	14,909,000	(16,083,000)
Contract assets	1,306,000	(7,925,000)
Inventories	22,716,000	971,000
Other assets	(1,500,000)	2,567,000
Accounts payable	(33,701,000)	10,657,000
Accrued compensation and vacation	(6,281,000)	(1,190,000)
Other liabilities	(800,000)	(16,961,000)
Cash provided by (used in) operating activities	6,081,000	(17,099,000)
Investing activities:
Purchase of property and equipment	(3,398,000)	(4,867,000)
Proceeds from insurance	2,365,000	3,500,000
Cash used in investing activities	(1,033,000)	(1,367,000)
Financing activities:
Payment of financing costs	(706,000)	0
Proceeds from issuance of long term debt	1,161,000	0
Repayments of long term debt	(2,214,000)	(1,721,000)
Borrowings under revolving credit agreement	403,034,000	447,718,000
Repayments of revolving credit agreement	(400,840,000)	(426,126,000)
Principal payments on finance leases	(3,831,000)	(3,075,000)
Cash (used in) provided by financing activities	(3,396,000)	16,796,000
Net increase (decrease) in cash and cash equivalents	1,652,000	(1,670,000)
Cash and cash equivalents, beginning of period	3,603,000	1,707,000
Cash and cash equivalents, end of period	5,255,000	37,000
Supplemental cash flow information:
Interest payments	8,841,000	7,127,000
Income tax payments, net of refunds	1,899,000	817,000
Recognition of operating lease liabilities and right-of-use assets	3,621,000	5,152,000
Recognition of financing lease liabilities and right-of-use assets	$ 0	$ 4,404,000