CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Cash flows from operating activities:
Net earnings	$ 86,663	$ 88,429
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	21,518	23,536
Contribution to defined benefit pension plan	(1,492)	(16,714)
Stock-based compensation	7,211	7,183
Net periodic pension cost	258	158
Loss on sale of property, plant, and equipment	18	31
Equity in loss of nonconsolidated subsidiaries	560	20
Deferred income taxes	10,439	10,344
Changes in assets and liabilities:
Receivables	(4,467)	(8,699)
Inventories	16,162	(16,972)
Contract assets	(10,242)	(15,836)
Prepaid expenses and other assets (current and non-current)	(3,683)	(3,595)
Accounts payable	(26,307)	(27,561)
Contract liabilities (current and non-current)	12,869	13,773
Accrued expenses	(54,183)	(38,465)
Income taxes payable	9,383	8,431
Other non-current liabilities	423	(731)
Net cash flows from operating activities	65,130	23,332
Cash flows from investing activities:
Purchases of property, plant, and equipment	(30,319)	(15,010)
Proceeds from sales of assets	343	140
Other, net	(215)	(3,769)
Net cash flows from investing activities	(30,191)	(18,639)
Cash flows from financing activities:
Proceeds from short-term borrowings	2,840	4,015
Repayments on short-term borrowings	(4,441)	(5,151)
Proceeds from long-term borrowings	60,000	10
Principal repayments on long-term borrowings	(60,174)	(175)
Proceeds from settlement of financial derivatives		2,711
Dividends paid	(12,019)	(12,126)
Dividends to redeemable noncontrolling interests	(233)	(664)
Purchases of redeemable noncontrolling interests		(17,745)
Proceeds from exercises under stock plans	3,107	1,959
Tax withholdings on exercises under stock plans	(6,600)	(7,668)
Other, net	527	0
Net cash flows from financing activities	(16,993)	(34,834)
Effect of exchange rate changes on cash and cash equivalents	2,138	(3,705)
Net change in cash and cash equivalents	20,084	(33,846)
Cash and cash equivalents-beginning of period	164,315	203,041
Cash and cash equivalents-end of period	184,399	169,195
Supplemental disclosures of cash flow information:
Interest paid	225	6,239
Income taxes paid	$ 10,672	$ 9,575