Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Operating activities:
Net income	$ 156,655	$ 111,911
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	35,317	31,699
Amortization	35,248	23,683
Share-based compensation expense	9,589	8,557
Provision for deferred income taxes	(2,157)	(1,757)
Other	8,297	4,640
Changes in operating assets and liabilities:
Trade accounts and notes receivable	5,436	2,687
Inventories	3,709	(22,472)
Accounts payable and accrued liabilities	(52,707)	(14,966)
Other current assets	13,028	1,976
Income taxes payable and refundable income taxes	15,391	(7,515)
Other	557	(1,337)
Net cash provided by operating activities	228,363	137,106
Investing activities:
Acquisition of property, plant and equipment	(60,101)	(47,437)
Payments to Acquire Businesses, Net of Cash Acquired	49,267	380,225
Other	197	1,905
Net cash used in investing activities	(109,171)	(425,757)
Financing activities:
Payments of long-term debt	(2,000)	(27,000)
Payments for dividends	(18,964)	(19,802)
Issuance of common stock	917	3,027
Repurchase of common stock	(50,321)	(20,000)
Taxes paid related to net share settlement of equity awards	(8,301)	(14,413)
Other	(497)	1,504
Net cash used in financing activities	(79,166)	(76,684)
Effect of exchange rate changes on cash and cash equivalents	(706)	(2,967)
Increase (decrease) in cash and cash equivalents	39,320	(368,302)
Cash and cash equivalents at beginning of period	482,062	625,408
Cash and cash equivalents at end of period	521,382	257,106
Supplemental Cash Flow Information
Deferred acquisition payment	14,001	0
Contingent consideration obligation	686	0
Equipment purchases in accounts payable	5,974	8,090
Dividends Payable	96	64
Schedule of interest and taxes paid
Interest paid	21,637	9,159
Income taxes paid, net of refunds received	$ 31,653	$ 31,881