CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 300,808	$ 379,890
Adjustments to reconcile to net cash provided by operating activities
Depreciation and amortization	243,576	235,429
Deferred income taxes	(37,146)	(35,134)
Losses on sale of assets	1,568	1,136
Stock-based compensation	27,177	26,426
Pension contributions	(18,901)	(16,390)
Changes in assets and liabilities, net of acquisitions:
Trade receivables	(94,292)	(22,878)
Inventories	(42,771)	(84,140)
Accounts payable	21,593	(39,332)
Accruals for incentive compensation	19,033	(20,726)
Other current payables and accrued expenses	59,962	(12,161)
Other assets	(72,886)	(58,016)
Other liabilities	7,307	28,931
Net cash provided by operating activities	415,028	383,035
Cash flows from investing activities:
Cash paid for acquisitions, net of cash received	0	(49,065)
Additions to property, plant and equipment	(124,070)	(160,449)
Additions to intangible assets	0	(6,070)
Proceeds from life insurance contracts	1,739	1,890
Maturity of net investment hedges	(14,597)	0
Proceeds from disposal of assets	18,202	34,607
Proceeds from unwinding of cross currency swap derivative instruments	0	25,900
Contingent consideration paid	0	(4,655)
Net cash used in investing activities	(118,726)	(157,842)
Cash flows from financing activities:
Cash dividends paid to shareholders	(240,273)	(233,477)
(Decrease) increase in revolving credit facility and short term borrowings	(655)	11
Deferred financing costs	(3,205)	0
Repayments on debt	(335,084)	(100,785)
Proceeds from issuance of long-term debt	200,000	0
Contingent consideration paid	(9,562)	(21,791)
Purchases of redeemable noncontrolling interest	(21,566)	0
Proceeds from issuance of stock in connection with stock options	0	200
Employee withholding taxes paid	(7,664)	(9,966)
Net cash used in financing activities	(418,009)	(365,808)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(18,712)	(3,853)
Net change in cash, cash equivalents and restricted cash	(140,419)	(144,468)
Cash, cash equivalents and restricted cash at beginning of year	623,945	648,522
Cash, cash equivalents and restricted cash at end of period	483,526	504,054
Supplemental Disclosures:
Interest paid, net of amounts capitalized	112,653	122,121
Income taxes paid	101,307	98,819
Accrued capital expenditures	$ 22,523	$ 15,826