Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Cash flows from operating activities
Net (loss) income	$ (45,759)	$ (289)	$ 12,185
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization expense	14,050	13,446	14,400
Non-cash interest expense	3,400	2,754	3,651
Share-based compensation expense	3,690	5,938	4,141
Equity in net loss (income) of non-consolidated affiliate	4,159	(498)	(3,213)
Loss (gain) on disposal of fixed assets	15	(679)	(76)
Impairment of fixed assets	1,354	0	0
Lower of cost or net realizable value loss	8,752	0	0
Deferred income tax (benefit) expense	(11,071)	(925)	29
Amortization of deferred actuarial pension losses	3,768	1,861	1,720
Loss on debt modification	632	598	0
Changes in assets and liabilities:
Accounts receivable	(2,567)	(2,345)	2,914
Inventories	(26,523)	(68,684)	22,308
Other assets	1,913	(409)	5,068
Accounts payable	35,075	14,081	(40,258)
Accrued expenses, pension and other liabilities	(15,325)	(19,090)	(19,410)
Total adjustments	21,322	(53,952)	(8,726)
Total cash (used in) provided by operating activities	(24,437)	(54,241)	3,459
Cash flows from investing activities
Cash paid for fixed assets	(6,453)	(12,212)	(18,968)
Proceeds from sale of fixed assets	0	903	165
Total cash used in investing activities	(6,453)	(11,309)	(18,803)
Cash flows from financing activities
Proceeds from lines of credit	135,000	117,000	199,000
Revolving credit facility repayments	(160,000)	(72,000)	(199,000)
Term loan repayments	(14,850)	(9,900)	(9,900)
Principal payments on finance leases	(1,132)	(1,294)	(945)
Cash paid for debt costs	(2,751)	(2,476)	(935)
Sale of common stock (Note 13)	75,000	0	0
Cash paid for common stock issuance costs	202	0	0
Proceeds from exercises of warrants	0	0	4,240
Repurchase of common stock in connection with stock award exercises	1,708	517	3,568
Cash received from stock option exercises	303	1,939	0
Total cash provided by (used in) financing activities	29,660	32,752	(11,108)
Change in cash and cash equivalents	(1,230)	(32,798)	(26,452)
Cash and cash equivalents, beginning of year	11,709	44,507	70,959
Cash and cash equivalents, end of year	10,479	11,709	44,507
Supplemental disclosures of cash flow information
Interest paid, net of interest received	15,171	11,568	7,591
Income tax (received) paid, net of tax refunds	(79)	31	(1,542)
Non-cash investing and financing activities:
Accrued capital additions to property, plant and equipment and other current assets for capitalized intangible assets	948	587	(5,422)
Cashless exercise of stock options	0	2,299	5,246
Right-of-use assets obtained in exchange for operating lease obligations	1,424	62	0
Right-of-use assets obtained in exchange for finance lease obligations	0	0	3,496
Finance lease right-of-use assets removed due to non-renewal of lease	(2,451)	0	0
Finance lease obligations removed due to non-renewal of lease	$ 2,593	$ 0	$ 0