CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020
Cash flows from operating activities:
Net earnings	$ 117,658	$ 65,475
Adjustments to reconcile net earnings to net cash flows from operations:
Depreciation and amortization	44,063	40,584
Noncash loss on trading securities	0	34
Impairment of property, plant and equipment	0	2,258
Impairment of goodwill and trade names	0	16,638
Stock-based compensation	8,948	5,671
Defined benefit pension plan benefit	(7,400)	(3,547)
Contribution to defined benefit pension plan	(970)	(17,138)
(Gain)/Loss on sale of property, plant and equipment	(1,330)	86
Equity in loss in nonconsolidated subsidiaries	719	479
Deferred income taxes	(3,718)	(866)
Changes in assets and liabilities:
Receivables	(45,398)	(28,896)
Inventories	(142,218)	(39,313)
Prepaid expenses and other assets (current and non-current)	(19,680)	(13,984)
Contract assets	(17,165)	16,147
Accounts payable	55,445	39,775
Accrued expenses	(18,119)	21,323
Contract liabilities	24,963	20,874
Other noncurrent liabilities	52,229	(1,210)
Income taxes payable/refundable	22,158	26,354
Net cash flows from operating activities	70,185	150,744
Cash flows from investing activities:
Purchase of property, plant and equipment	(48,824)	(48,165)
Proceeds from sale of assets	1,595	169
Acquisitions, net of cash acquired	(312,500)	(15,862)
Settlement of net investment hedges	0	11,983
Other, net	(1,669)	(1,137)
Net cash flows from investing activities	(361,398)	(53,012)
Cash flows from financing activities:
Proceeds from short-term agreements	11,972	3,006
Payments on short-term agreements	(17,021)	(9,261)
Proceeds from long-term borrowings	149,342	88,872
Principal payments on long-term borrowings	(15,421)	(75,568)
Dividends paid	(20,181)	(17,704)
Dividends to noncontrolling interest	0	(5,642)
Purchase of noncontrolling interest	0	(55,916)
Purchase of treasury shares	(21,600)	(20,481)
Proceeds from exercises under stock plans	19,891	724
Purchase of common treasury shares—stock plan exercises	(16,922)	(5)
Net cash flows from financing activities	90,060	(91,975)
Effect of exchange rate changes on cash and cash equivalents	(288)	(5,951)
Net change in cash and cash equivalents	(201,441)	(194)
Cash and cash equivalents—beginning of year	400,726	353,542
Cash and cash equivalents—end of period	$ 199,285	$ 353,348