CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 276,710	$ 328,671
Adjustments to reconcile net income to net cash provided by operating activities:
Asset impairments	85	9,680
Depreciation and amortization	30,851	29,599
Amortization of intangible assets	31,123	27,747
Amortization of debt issuance expenses	1,351	1,013
Share-based compensation expense	21,155	20,620
Deferred income taxes	1,323	11,528
Non-cash interest expense associated with forward starting swaps	5,153	4,737
Changes in (net of the effect from acquisitions):
Receivables	33,291	(2,071)
Inventories	17,920	(16,987)
Other current assets	(27,655)	(19,186)
Trade accounts payable	(11,496)	2,807
Accrued expenses	24,333	(23,222)
Other - net	3,755	1,966
Net cash flows provided by operating activities	407,899	376,902
Cash flows from investing activities
Purchases of property, plant and equipment	(39,438)	(36,773)
Acquisition of businesses, net of cash acquired	(118,159)	(87,180)
Proceeds from disposal of fixed assets	2,230	957
Other - net	(238)	407
Net cash flows used in investing activities	(155,605)	(122,589)
Cash flows from financing activities
Borrowings under revolving credit facilities	150,000	0
Proceeds from issuance of 3.0% Senior Notes	499,100	0
Payment of 4.5% Senior Notes	(300,000)	0
Payments under revolving credit facilities	(150,000)	0
Payments under other long-term borrowings	(352)	(49,923)
Payment of make-whole redemption premium	(6,756)	0
Debt issuance costs	(4,741)	0
Dividends paid	(114,248)	(109,227)
Proceeds from stock option exercises	28,729	35,595
Repurchases of common stock	(110,342)	(54,668)
Shares surrendered for tax withholding	(12,198)	(12,583)
Other - net	0	(1,865)
Net cash flows used in financing activities	(20,808)	(192,671)
Effect of exchange rate changes on cash and cash equivalents	13,691	(12,064)
Net increase in cash	245,177	49,578
Cash and cash equivalents at beginning of year	632,581	466,407
Cash and cash equivalents at end of period	877,758	515,985
Cash paid for:
Interest	16,415	18,832
Income taxes	66,268	84,326
Significant non-cash activities:
Debt acquired with acquisition of business	$ 0	$ 51,130