CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 28, 2026	Dec. 27, 2025
Current assets:
Cash and cash equivalents	$ 160,189	$ 187,140
Receivables, less allowance of $56,399 and $54,991, respectively	652,749	590,127
Inventories	587,715	566,396
Contract assets	250,411	266,922
Income taxes receivable	25,461	38,365
Prepaid expenses and other current assets	95,470	70,698
Total current assets	1,771,995	1,719,648
Property, plant, and equipment, at cost	1,639,712	1,640,608
Less accumulated depreciation	(953,760)	(966,745)
Property, plant, and equipment, net	685,952	673,863
Goodwill	586,730	570,954
Other intangible assets, net	119,763	121,341
Defined benefit pension asset	39,430	39,666
Operating lease right-of-use assets	141,827	139,857
Deferred compensation investments	27,238	29,631
Non-current deferred tax asset	46,858	57,751
Other non-current assets	15,372	16,618
Total assets	3,435,165	3,369,329
Current liabilities:
Current installments of long-term debt		513
Mandatorily redeemable financial instrument		8,922
Accounts payable	374,208	359,539
Accrued employee compensation and benefits	93,717	128,155
Contract liabilities	77,112	52,013
Other accrued expenses	172,592	156,596
Income taxes payable	13,283	12,604
Dividends payable	14,948	13,278
Total current liabilities	745,860	731,620
Deferred income taxes	12,181	5,316
Long-term debt, excluding current installments	790,292	795,150
Operating lease liabilities	131,008	130,007
Deferred compensation liabilities	27,238	29,631
Other non-current liabilities	40,003	35,320
Total liabilities	1,746,582	1,727,044
Redeemable noncontrolling interests	9,301	9,498
Shareholders' equity:
Common stock of $1 par value, authorized 75,000,000 shares; issued 27,900,000 shares	27,900	27,900
Retained earnings	3,244,024	3,156,235
Accumulated other comprehensive loss	(283,689)	(290,515)
Treasury stock	(1,308,953)	(1,260,833)
Total shareholders' equity	1,679,282	1,632,787
Total liabilities, redeemable noncontrolling interests, and shareholders' equity	$ 3,435,165	$ 3,369,329