Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Operating activities:
Net income	$ 84,676	$ 61,006
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	22,095	20,648
Amortization	11,871	16,211
Share-based compensation expense	7,138	4,994
Provision for deferred income taxes	1,581	(64)
Charge for excess and obsolete inventory	3,249	3,605
Other	3,336	2,022
Changes in operating assets and liabilities:
Trade accounts and notes receivable	(21,564)	(43,995)
Inventories	(39,337)	(18,205)
Accounts payable and accrued liabilities	(28,591)	(38,020)
Other current assets	9,400	5,825
Income taxes payable and refundable income taxes	(3,588)	(225)
Other	2,849	(2,399)
Net cash provided by operating activities	53,115	11,403
Investing activities:
Acquisition of property, plant and equipment	(43,330)	(22,585)
Acquisition of businesses, net of cash acquired	0	75,630
Other	72	5
Net cash used in investing activities	(43,258)	(98,210)
Financing activities:
Proceeds from short-term borrowings	0	217,000
Payments of short-term borrowings	0	(75,000)
Payments for dividends	(10,908)	(10,847)
Issuance of common stock	1,572	551
Repurchase and retirement of common stock	(15,000)	(29,564)
Taxes paid related to net share settlement of equity awards	(15,038)	(11,440)
Deferred acquisition payments	0	(16,125)
Other	(1)	(2,890)
Net cash (used in) provided by financing activities	(39,375)	71,685
Effect of exchange rate changes on cash and cash equivalents	(2,855)	(1,712)
Decrease in cash and cash equivalents	(32,373)	(16,834)
Cash and cash equivalents at beginning of period	580,893	351,911
Cash and cash equivalents at end of period	548,520	335,077
Supplemental Cash Flow Information
Deferred acquisition payments	0	1,451
Equipment purchases in accounts payable	8,249	6,689
Changes in dividends payable	76	89
Schedule of interest and taxes paid
Interest paid	13,515	15,296
Income taxes paid, net of refunds received	$ 14,959	$ 7,997