CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net income	$ 312,436	$ 243,511
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	29,725	28,425
Amortization of intangible assets	29,505	35,381
Amortization of debt issuance expenses	998	989
Share-based compensation expense	19,814	18,143
Deferred income taxes	(1,480)	1,888
Non-cash interest expense associated with forward starting swaps	4,869	5,004
Changes in (net of the effect from acquisitions):
Receivables	(34,057)	(28,407)
Inventories	(27,903)	(4,869)
Other current assets	7,635	(15,113)
Trade accounts payable	(4,420)	3,681
Accrued expenses	33	9,912
Other - net	(11,402)	(1,965)
Net cash flows provided by operating activities	325,753	296,580
Cash flows from investing activities
Purchases of property, plant and equipment	(39,856)	(28,054)
Purchase of intellectual property	(4,000)	0
Acquisition of businesses, net of cash acquired	(20,205)	0
Proceeds from disposal of fixed assets	211	5,159
Other - net	(1,180)	(337)
Net cash flows used in investing activities	(65,030)	(23,232)
Cash flows from financing activities
Borrowings under revolving credit facilities	0	33,000
Payments under revolving credit facilities	(11,128)	(181,692)
Dividends paid	(94,913)	(82,869)
Proceeds from stock option exercises	26,793	18,980
Purchases of common stock	(50,654)	(22,650)
Shares surrendered for tax withholding	(11,260)	(5,903)
Settlement of foreign exchange contracts	6,593	4,406
Net cash flows used in financing activities	(134,569)	(236,728)
Effect of exchange rate changes on cash and cash equivalents	(10,337)	30,707
Net increase (decrease) in cash	115,817	67,327
Cash and cash equivalents at beginning of year	375,950	235,964
Cash and cash equivalents at end of period	491,767	303,291
Cash paid for:
Interest	18,547	19,406
Income taxes - net	73,138	78,629
Significant non-cash activities:
Capital expenditures for construction of new leased facility	11,616	0
Contingent consideration for acquisition	$ 3,375	$ 0

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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