Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows – Operating activities:
Net earnings, including noncontrolling interests	$ 66,323	$ 172,902
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	63,887	69,320
Amortization of intangible and other assets	8,788	10,134
Stock-based compensation	24,104	22,507
Foreign currency, asset write downs and other non-cash adjustments	19,519	(8,284)
Change in assets and liabilities:
Accounts receivable, net	24,324	(11,994)
Inventories, net	(51,974)	(64,280)
Contract assets, net	(37,328)	(35,607)
Prepaid expenses and other assets, net	6,051	(26,194)
Accounts payable	(21,756)	(11,994)
Contract liabilities	(22,468)	26,641
Accrued liabilities and income taxes payable	24,257	(8,459)
Retirement obligations and other	22,729	9,257
Net deferred taxes	(10,827)	(726)
Net cash flows provided (used) by operating activities	115,629	143,223
Cash flows – Investing activities:
Capital expenditures	(47,919)	(45,276)
Proceeds from disposal of assets and other	13,759	40,773
Net cash flows provided (used) by investing activities	(34,160)	(4,503)
Cash flows – Financing activities:
Payments on long-term debt	(191,258)	(105,000)
Proceeds from short-term financing	0	75,000
Payments on short-term financing	0	(75,000)
Proceeds from issuance of senior notes	498,280	0
Payments of deferred loan cost	(4,572)	0
Proceeds under other financing arrangements	154	2,572
Payments under other financing arrangements	(5,773)	(8,903)
Repurchases of common shares	32,112	5,432
Payments related to tax withholding for stock-based compensation	(4,521)	(3,835)
Payments of dividends	(78,106)	(74,695)
Other	(3,120)	(252)
Net cash flows provided (used) by financing activities	178,972	(195,545)
Effect of exchange rate changes on cash	(10,243)	(17,009)
Net change in cash and cash equivalents	250,198	(73,834)
Cash and cash equivalents at beginning of period	670,980	619,683
Cash and cash equivalents at end of period	$ 921,178	$ 545,849