CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Mar. 27, 2021
OPERATING ACTIVITIES
Net income	$ 117,518	$ 57,713
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	15,574	13,677
Amortization of intangibles	12,724	10,521
Deferred revenue	(158)	(157)
Non-cash inventory charges	4,769	3,489
Stock-based compensation	3,886	3,395
Loss (gain) on investments and other assets	4,729	(7,675)
Deferred income taxes	(2,112)	378
Other	8,554	8,537
Changes in operating assets and liabilities:
Trade receivables	(45,945)	(32,973)
Inventories	(30,879)	(6,152)
Accounts payable	(6,611)	17,070
Accrued liabilities and income taxes	(36,287)	(15,427)
Prepaid expenses and other assets	5,969	(2,230)
Net cash provided by operating activities	51,731	50,166
INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	0	(109,852)
Purchases of property, plant, and equipment	(29,809)	(14,721)
Net proceeds from sale of property, plant and equipment, and other	21	2,553
Net cash used in investing activities	(29,788)	(122,020)
FINANCING ACTIVITIES
Payments of revolving credit facility	0	(30,000)
Payments of senior notes payable	(25,000)	0
Net proceeds related to stock-based award activities	1,016	7,509
Cash dividends paid	(13,086)	(11,782)
Net cash used in financing activities	(37,070)	(34,273)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(2,738)	(4,101)
Decrease in cash, cash equivalents, and restricted cash	(17,865)	(110,228)
Cash, cash equivalents, and restricted cash at beginning of period	482,836	687,525
Cash, cash equivalents, and restricted cash at end of period	464,971	577,297
Supplementary Cash Flow Information
Cash and cash equivalents	461,617	572,771
Restricted cash included in prepaid expenses and other current assets	1,745	3,462
Restricted cash included in other long-term assets	1,609	1,064
Cash paid interest during the period	6,018	6,235
Capital expenditures, not yet paid	$ 9,553	$ 4,141