Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Operating activities:
Net income	$ 129,042	$ 156,655
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	41,287	35,317
Amortization	29,427	35,248
Share-based compensation expense	10,649	9,589
Provision for deferred income taxes	(859)	(2,157)
Charge for excess and obsolete inventory	8,393	3,315
Other	5,361	4,982
Changes in operating assets and liabilities:
Trade accounts and notes receivable	(42,087)	5,436
Inventories	(55,362)	3,709
Accounts payable and accrued liabilities	5,643	(52,707)
Other current assets	4,871	13,028
Income taxes payable and refundable income taxes	4,412	15,391
Other	647	557
Net cash provided by operating activities	141,424	228,363
Investing activities:
Acquisition of property, plant and equipment	(46,873)	(60,101)
Payments to Acquire Businesses, Net of Cash Acquired	75,645	49,267
Other	211	197
Net cash used in investing activities	(122,307)	(109,171)
Financing activities:
Proceeds from short-term borrowings and long-term debt	617,000	0
Payments of long-term debt	(368,000)	(2,000)
Payments for debt issuance costs	(3,964)	0
Payments of Dividends	21,652	18,964
Issuance of common stock	1,749	917
Repurchase and retirement of common stock	(29,564)	(50,321)
Taxes paid related to net share settlement of equity awards	(12,720)	(8,301)
Deferred acquisition payments	16,125	0
Other	(2,891)	(497)
Net cash provided by (used in) financing activities	163,833	(79,166)
Effect of exchange rate changes on cash and cash equivalents	(2,194)	(706)
Increase in cash and cash equivalents	180,756	39,320
Cash and cash equivalents at beginning of period	351,911	482,062
Cash and cash equivalents at end of period	532,667	521,382
Supplemental Cash Flow Information
Deferred acquisition payments	2,033	14,001
Contingent consideration obligation	0	686
Equipment purchases in accounts payable	4,860	5,974
Dividends Payable	86	96
Schedule of interest and taxes paid
Interest paid	19,365	21,637
Income taxes paid, net of refunds received	$ 19,315	$ 31,653