Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net income	$ 136,535	$ 160,250
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	70,443	61,977
Share-based compensation	5,449	6,010
Excess tax benefits from share-based compensation	(221)	(3,812)
Other operating activities	176	27,037
Changes in operating assets and liabilities	(138,322)	(189,732)
Net cash provided by operating activities	74,060	61,730
Investing activities:
Purchases of property, plant and equipment	(45,414)	(45,621)
Proceeds from sale of property, plant and equipment	3,332	2,735
Proceeds from divestitures of businesses	10,442	12,028
Acquisitions of businesses and other investing activities	(3,833)	(153,180)
Net cash used in investing activities	(35,473)	(184,038)
Financing activities:
Proceeds from debt	1,318,905	1,350,002
Payments on debt	(1,057,667)	(1,092,115)
Share-based awards exercised	(341)	(6,839)
Dividends paid	(110,851)	(105,369)
Purchases of stock	(95,719)	0
Other financing activities	(871)	0
Net cash provided by financing activities	53,456	145,679
Effect of exchange rate changes on cash and cash equivalents	(14,566)	7
Net increase in cash and cash equivalents	77,477	23,378
Cash and cash equivalents at beginning of period	276,992	333,547
Cash and cash equivalents at end of period	$ 354,469	$ 356,925