Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 28, 2026	Sep. 27, 2025
Current assets
Cash and cash equivalents	$ 307,553	$ 62,013
Restricted cash	679	200
Receivables, net	605,518	506,768
Unbilled receivables	842,157	744,352
Inventories, net	931,804	914,302
Prepaid expenses and other current assets	105,830	142,345
Total current assets	2,793,541	2,369,980
Property, plant and equipment, net	1,060,100	1,019,906
Operating lease right-of-use assets	54,149	52,799
Goodwill	873,510	842,313
Intangible assets, net	60,544	66,101
Deferred income taxes	6,903	22,459
Other assets	53,851	52,497
Total assets	4,902,598	4,426,055
Current liabilities
Current installments of long-term debt	500,000	1,563
Accounts payable	328,084	318,402
Accrued compensation	81,968	106,040
Contract advances and progress billings	469,206	372,988
Accrued liabilities and other	286,743	320,075
Total current liabilities	1,666,001	1,119,068
Long-term debt, excluding current installments	739,825	944,123
Long-term pension and retirement obligations	152,791	157,218
Deferred income taxes	45,489	32,600
Other long-term liabilities	196,012	180,491
Total liabilities	2,800,118	2,433,500
Shareholders' equity
Additional paid-in capital	1,021,544	839,328
Retained earnings	2,976,532	2,834,548
Treasury shares	(1,252,323)	(1,209,200)
Stock Employee Compensation Trust	(279,828)	(195,491)
Supplemental Retirement Plan Trust	(253,378)	(170,191)
Accumulated other comprehensive loss	(161,347)	(157,719)
Total shareholders’ equity	2,102,480	1,992,555
Total liabilities and shareholders’ equity	4,902,598	4,426,055
Class A Common Stock
Shareholders' equity
Common stock	43,874	43,864
Class B Common Stock
Shareholders' equity
Common stock	$ 7,406	$ 7,416