Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 160,690	$ 112,136
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	50,184	44,779
Amortization	5,449	4,629
Deferred income taxes	27,607	(12,824)
Equity-based compensation expense	9,725	8,020
Other	(217)	2,291
Changes in assets and liabilities providing (using) cash:
Receivables	(101,159)	(123,555)
Unbilled receivables	(85,779)	(31,216)
Inventories	(14,511)	(54,040)
Accounts payable	7,481	1,975
Contract advances and progress billings	88,508	8,501
Accrued expenses	(26,813)	(29,523)
Accrued income taxes	(23,972)	(22,429)
Net pension and post retirement liabilities	2,005	12,067
Other assets and liabilities	(14,372)	(13,705)
Net cash provided (used) by operating activities	84,826	(92,894)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(66,178)	(70,382)
Net proceeds from businesses sold	0	13,487
Net proceeds from buildings sold	3,065	0
Other investing transactions	(458)	(2,062)
Net cash provided (used) by investing activities	(63,571)	(58,957)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from revolving lines of credit	869,400	752,500
Payments on revolving lines of credit	(1,064,400)	(462,000)
Proceeds from senior notes, net of issuance costs	492,221	0
Payments on finance lease obligations	(8,013)	(4,469)
Payment of dividends	(18,706)	(18,106)
Proceeds from sale of treasury stock	8,476	7,825
Purchase of outstanding shares for treasury	(50,431)	(126,425)
Proceeds from sale of stock held by SECT	33,782	19,289
Purchase of stock held by SECT	(34,470)	(14,808)
Other financing transactions	(3,116)	(1,457)
Net cash provided (used) by financing activities	224,743	152,349
Effect of exchange rate changes on cash	21	(2,309)
Increase (decrease) in cash, cash equivalents and restricted cash	246,019	(1,811)
Cash, cash equivalents and restricted cash at beginning of period	62,213	64,537
Cash, cash equivalents and restricted cash at end of period	308,232	62,726
SUPPLEMENTAL CASH FLOW INFORMATION
Treasury shares issued as compensation	5,451	6,288
Assets acquired through lease financing	$ 30,780	$ 23,999