Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Operating activities:
Net income	$ 197,422	$ 159,971
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	54,623	48,236
Amortization	50,400	45,102
Share-based compensation expense	14,915	12,727
Provision for deferred income taxes	(2,123)	(1,066)
Other	14,251	10,584
Changes in operating assets and liabilities:
Trade accounts and notes receivable	(30,405)	(8,713)
Inventories	(5,689)	(28,788)
Accounts payable and accrued liabilities	(31,911)	(9,440)
Other current assets	11,284	1,390
Income taxes payable and refundable income taxes	(20,574)	(9,193)
Other	1,461	439
Net cash provided by operating activities	253,654	221,249
Investing activities:
Acquisition of property, plant and equipment	(86,423)	(75,337)
Payments to Acquire Businesses, Net of Cash Acquired	266,373	380,268
Other	2,815	5,014
Net cash used in investing activities	(349,981)	(450,591)
Financing activities:
Payments of long-term debt	(2,000)	(27,000)
Payments for dividends	(29,779)	(29,701)
Issuance of common stock	4,351	3,029
Repurchase of common stock	(65,321)	(30,000)
Taxes paid related to net share settlement of equity awards	(8,577)	(14,552)
Other	(502)	1,254
Net cash used in financing activities	(101,828)	(96,970)
Effect of exchange rate changes on cash and cash equivalents	(1,159)	(4,203)
Decrease in cash and cash equivalents	(199,314)	(330,515)
Cash and cash equivalents at beginning of period	482,062	625,408
Cash and cash equivalents at end of period	282,748	294,893
Supplemental Cash Flow Information
Deferred acquisition payments	32,462	0
Contingent consideration obligation	686	0
Equipment purchases in accounts payable	3,431	9,464
Dividends Payable	307	77
Schedule of interest and taxes paid
Interest paid	37,366	23,070
Income taxes paid, net of refunds received	$ 66,474	$ 44,249