Interim Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net earnings	$ 368,360	$ 331,425
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	29,348	27,889
Amortization	36,877	35,561
Deferred tax benefit	(17,963)	(11,901)
Share-based compensation	13,283	12,505
Other	(28)	(2,706)
Increase (decrease) in cash resulting from changes in:
Trade accounts receivable, net	23,096	26,017
Inventories	(17,494)	(26,224)
Other current assets	(7,713)	863
Trade accounts payable	(45,659)	(7,753)
Taxes payable	16,658	13,482
Increase (Decrease) in Other Operating Assets and Liabilities, Net	2,976	(32,725)
Net cash provided by operating activities	401,741	366,433
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	1,248	7,809
Purchase of property, plant and equipment	(71,627)	(96,665)
Acquisitions	(2,004)	(4,962)
Payments for (Proceeds from) Derivative Instrument, Investing Activities	(4,099)	(780)
Net cash used in investing activities	(76,482)	(94,598)
Cash flows from financing activities:
Proceeds from borrowings	807,711	772,274
Repayments of borrowings	(660,795)	(703,704)
Proceeds from stock option exercises	37,916	14,777
Repurchases of common stock	(558,749)	(356,249)
Payment for Contingent Consideration Liability, Financing Activities	(10,000)	0
Proceeds from (Payments for) Other Financing Activities	1,753	(1,664)
Net cash used in financing activities	(382,164)	(274,566)
Effect of exchange rate changes on cash and cash equivalents	(671)	(8,508)
Net (decrease) increase in cash and cash equivalents	(57,576)	(11,239)
Cash and cash equivalents:
Beginning of period	178,110	148,687
End of period	$ 120,534	$ 137,448