CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net income	$ 97,110	$ 136,920
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	86,901	82,968
Amortization	20,334	12,388
Stock based compensation	17,603	12,978
Provision for CECL	1,089	312
(Gain) loss on disposition of fixed assets	(46)	368
Deferred income taxes	9	679
Defined benefit plan expense	11,550	7,699
Equity in results of affiliates	1,127	86
Changes in balance sheet items, excluding effects from acquisitions and foreign currency adjustments:
Accounts and other receivables	(25,625)	(28,772)
Inventories	(13,241)	(18,503)
Prepaid and other current assets	(16,936)	546
Accounts payable, accrued and other liabilities	63,256	14,590
Income taxes payable	(8,446)	1,840
Retirement and deferred compensation plan liabilities	(5,916)	(4,652)
Other changes, net	(1,083)	1,693
Net Cash Provided by Operations	227,686	221,140
Cash Flows from Investing Activities:
Capital expenditures	(122,986)	(124,774)
Proceeds from sale of property, plant and equipment	4,130	1,082
Acquisition of business, net of cash acquired	(159,570)	(49,131)
Acquisition of intangible assets	(3,612)	(602)
Investment in equity securities	(34,044)
Proceeds from sale of investment in equity securities		16,487
Notes receivable, net	(1,045)	(220)
Net Cash Used by Investing Activities	(317,127)	(157,158)
Cash Flows from Financing Activities:
Proceeds from notes payable and overdrafts	14,464	31,022
Repayments of notes payable and overdrafts	(27,788)	(35,490)
Proceeds and repayments of short term credit facility, net	125,000	(38,685)
Proceeds from long-term obligations	1,316	10,446
Repayments of long-term obligations	(4,067)	(6,546)
Payment of contingent consideration obligations	(1,500)
Dividends paid	(46,143)	(44,138)
Proceeds from stock option exercises	30,058	70,712
Purchase of treasury stock		(19,096)
Net Cash Provided (Used) by Financing Activities	91,340	(31,775)
Effect of Exchange Rate Changes on Cash	8,522	3,920
Net Increase (Decrease) in Cash and Equivalents and Restricted Cash	10,421	36,127
Cash and Equivalents and Restricted Cash at Beginning of Period	246,973	266,823
Cash and Equivalents and Restricted Cash at End of Period	$ 257,394	$ 302,950