Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income	$ 623,775	$ 508,574
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	177,896	117,640
Share-based compensation	15,417	12,912
Excess tax benefits from share-based compensation	(3,079)	(2,504)
Changes in operating assets and liabilities	111,517	(94,265)
Net cash provided by operating activities	925,526	542,357
Investing activities:
Purchases of property, plant and equipment	(91,942)	(97,181)
Acquisitions and other investing activities	(153,988)	(289,353)
Net cash used in investing activities	(245,930)	(386,534)
Financing activities:
Proceeds from debt	3,406,975	3,420,000
Payments on debt	(3,710,934)	(3,150,000)
Share-based awards exercised	(5,860)	(3,289)
Dividends paid	(310,310)	(296,517)
Purchases of stock	(1,918)	(171,884)
Net cash used in financing activities	(622,047)	(201,690)
Effect of exchange rate changes on cash and cash equivalents	(13,343)	13,070
Net increase (decrease) in cash and cash equivalents	44,206	(32,797)
Cash and cash equivalents at beginning of period	314,899	242,879
Cash and cash equivalents at end of period	$ 359,105	$ 210,082

Payments for share based awards exercised net of taxes paid.

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