Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Cash provided by operating activities:
Net income	$ (6,505)	$ (15,795)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,627	22,958
Curtailment gain	(1,027)	(23,830)
Pension withdrawal cost	2,335	12,310
Stock compensation expense	699	434
Assets (gain) loss on sales, impairments and other, net	(12,426)	6,696
Deferred income taxes	664	(319)
Pension contributions	0	(965)
Return of (Payments to collateralize) letters of credit	151	1,686
Other, net	(1,011)	62
Changes in operating assets and liabilities:
(Increase) decrease in receivables and contract assets	(3,060)	(6,786)
(Increase) decrease in inventories and other	(1,033)	782
Increase (decrease) in accounts payable and other accrued liabilities	5,694	3,944
Decrease in pension and other postretirement and postemployment benefit obligations	(9,388)	(3,291)
Change in income taxes payable	(3,686)	4,214
Other	3,650	(5,563)
Net cash (required for) provided by operating activities	(606)	39,253
Cash provided by (required for) investing activities:
Purchases of property and equipment	(4,570)	(2,927)
Proceeds from sales of assets	14,744	2,751
Distributions greater (less) than earnings of TNI and MNI	(102)	555
Other, net	(192)	(78)
Net cash provided by investing activities	9,880	301
Cash provided by (required for) financing activities:
Payments on long-term debt	20,062	39,375
Common stock transactions, net	11	(159)
Net cash required for financing activities	(20,051)	(39,534)
Net (decrease) increase in cash and cash equivalents	(10,777)	20
Cash and cash equivalents:
Beginning of period	26,112	33,733
End of period	$ 15,335	$ 33,753