CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Cash flows from operating activities:
Net earnings	$ 65,475	$ 77,746
Adjustments to reconcile net earnings to net cash flows from operations:
Depreciation and amortization	40,584	40,583
Noncash loss on trading securities	34	28
Impairment of property, plant and equipment	2,258	0
Impairment of goodwill and intangible assets	16,638	0
Stock-based compensation	5,671	6,370
Defined benefit pension plan benefit	(3,547)	(259)
Contribution to defined benefit pension plan	(17,138)	(13,682)
(Gain) loss on sale of property, plant and equipment	86	(278)
Equity in loss in nonconsolidated subsidiaries	479	0
Deferred income taxes	(866)	5,710
Changes in assets and liabilities:
Receivables	(28,896)	(19,633)
Inventories	(39,313)	(16,308)
Prepaid expenses and other assets	(13,984)	(13,367)
Contract asset - costs and profits in excess of billings	16,147	(11,400)
Accounts payable	39,775	7,973
Accrued expenses	42,197	62,467
Other noncurrent liabilities	(1,210)	(5,582)
Income taxes refundable	26,354	(6,931)
Net cash flows from operating activities	150,744	113,437
Cash flows from investing activities:
Purchase of property, plant and equipment	(48,165)	(49,310)
Proceeds from sale of assets	169	466
Acquisitions, net of cash acquired	(15,862)	(81,841)
Settlement of net investment hedges	(11,983)	(11,184)
Other, net	(1,137)	3,893
Net cash flows from investing activities	(53,012)	(115,608)
Cash flows from financing activities:
Proceeds from short-term agreements	3,006	14,994
Payments on short-term agreements	(9,261)	(5,108)
Proceeds from long-term borrowings	88,872	31,000
Principal payments on long-term borrowings	(75,568)	(10,386)
Dividends paid	(17,704)	(16,425)
Dividends to noncontrolling interest	(5,642)	(4,459)
Purchase of noncontrolling interest	(55,916)	(27,845)
Purchase of treasury shares	(20,481)	(38,350)
Proceeds from exercises under stock plans	724	1,744
Purchase of common treasury shares—stock plan exercises	(5)	(827)
Net cash flows from financing activities	(91,975)	(55,662)
Effect of exchange rate changes on cash and cash equivalents	(5,951)	1,567
Net change in cash and cash equivalents	(194)	(56,266)
Cash, cash equivalents, and restricted cash—beginning of year	353,542	313,210
Cash, cash equivalents, and restricted cash—end of period	$ 353,348	$ 256,944