Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Cash flows from operating activities
Net income	$ 127,720	$ 105,547	$ 23,812
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	15,586	14,820	15,978
Non-cash interest expense	330	390	1,470
Share-based compensation expense	14,785	8,609	4,173
Equity in net income of non-consolidated affiliate(s)	(9,476)	(11,839)	(6,960)
Dividend from equity investment in affiliate(s) (Note 17)	0	5,338	0
Impairment of equity investment in affiliate(s) (Note 17)	7,394	0	0
Loss on disposal of fixed assets	325	200	64
Deferred income tax expense (benefit)	2,937	(1,674)	8,065
Amortization of deferred actuarial pension losses	279	687	1,195
Loss on debt refinancing or modification	0	1,558	537
Changes in assets and liabilities:
Accounts receivable	38,449	(46,525)	(40)
Inventories	(11,672)	7,488	7,691
Other assets	(15,801)	971	453
Accounts payable	8,015	6,665	28,712
Accrued expenses, pension and other liabilities	(2,657)	18,877	34,778
Total adjustments	48,494	5,565	96,116
Total cash provided by operating activities	176,214	111,112	119,928
Cash flows from investing activities
Cash paid for fixed assets	(22,872)	(15,263)	(8,520)
Equity investment in affiliate(s) (Note 17)	(1,000)	(552)	0
Total cash used in investing activities	(23,872)	(15,815)	(8,520)
Cash flows from financing activities
Proceeds from lines of credit	0	36,220	45,000
Revolving credit facility repayments	0	(36,220)	(65,000)
Term loan borrowings - new credit agreement (Note 8)	0	100,000	0
Term loan repayments (Note 8)	(5,000)	(135,550)	(19,800)
Principal payments on finance leases	(981)	(589)	(570)
Cash paid for debt costs (Note 8)	0	(3,128)	(3,272)
Repurchase of common stock in connection with repurchase program(s) (Note 13)	(39,527)	(9,938)	0
Repurchase of common stock in connection with stock award exercises	9,889	1,178	376
Cash received from stock option exercises	4,681	3,785	1,119
Total cash used in financing activities	(50,716)	(46,598)	(42,899)
Change in cash and cash equivalents	101,626	48,699	68,509
Cash and cash equivalents, beginning of year	127,687	78,988	10,479
Cash and cash equivalents, end of year	229,313	127,687	78,988
Supplemental disclosures of cash flow information
Interest paid	7,369	9,932	16,053
Interest received	(5,866)	(3,783)	(1,004)
Income tax paid (received), net of tax refunds	58,760	29,401	(29)
Non-cash investing and financing activities:
Changes in accounts payable for capital additions to property, plant and equipment	2,184	721	941
Right-of-use assets obtained in exchange for operating lease obligations	3,327	1,682	626
Warrants issued for equity investment in affiliate (Note 17)	$ 0	$ 7,416	$ 0