Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Cash provided by (required for) operating activities:
Net (loss) income	$ (3,542)	$ 6,505
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,619	18,627
Curtailment gain	0	(1,027)
Pension withdrawal cost	0	2,335
Stock compensation expense	922	699
Assets (gain) loss on sales, impairments and other, net	(3,355)	(12,426)
Gain on sale of investment	(1,408)	0
Deferred income taxes	(368)	664
Return of letters of credit collateral	778	151
Other, net	(895)	(1,011)
Changes in operating assets and liabilities:
Decrease (increase) in receivables and contract assets	1,720	(3,060)
Decrease in inventories and other	(1,921)	(1,033)
(Decrease) increase in accounts payable and other accrued liabilities	(4,977)	5,694
Decrease in pension and other postretirement and postemployment benefit obligations	(37)	(9,388)
Change in income taxes payable	239	(3,686)
Other	(2,128)	(3,650)
Net cash provided by (required for) operating activities	647	(606)
Cash provided by investing activities:
Purchases of property and equipment	(2,279)	(4,570)
Proceeds from sales of assets	5,309	14,744
Distributions less than earnings of TNI and MNI	374	(102)
Other, net	1,619	(192)
Net cash provided by investing activities	5,023	9,880
Cash required for financing activities:
Payments on long-term debt	(2,560)	(20,062)
Common stock transactions, net	(265)	11
Net cash required for financing activities	(2,825)	(20,051)
Net increase (decrease) in cash and cash equivalents	2,845	(10,777)
Cash and cash equivalents:
Beginning of period	16,185	26,112
End of period	$ 19,030	$ 15,335