CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Dec. 26, 2020
OPERATING ACTIVITIES
Net income	$ 373,306	$ 283,806	$ 129,986
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	65,011	55,906	56,139
Amortization of intangibles	55,695	42,729	40,039
Non-cash pension settlement charges	0	19,855	0
Impairment charges	4,546	0	36,078
Deferred revenue	115	(2,570)	(593)
Non-cash inventory charges	15,593	8,397	0
Stock-based compensation	23,626	19,611	18,129
Loss (gain) on investments and other assets	14,024	(8,907)	(4,663)
Deferred income taxes	(22,419)	(8,020)	(3,214)
Other	32,680	20,275	(18,230)
Changes in operating assets and liabilities:
Trade receivables	(19,334)	(10,234)	(25,588)
Inventories	(89,235)	(104,555)	(12,425)
Accounts payable	(22,403)	40,481	28,820
Accrued liabilities and income taxes	(9,495)	30,793	6,765
Prepaid expenses and other assets	(1,992)	(14,223)	6,788
Net cash provided by operating activities	419,718	373,344	258,031
INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	(532,670)	(423,633)	0
Purchases of property, plant, and equipment	(104,341)	(90,562)	(56,191)
Proceeds from sale of property, plant, and equipment	676	15,425	4,758
Other	(62)	(390)	0
Net cash used in investing activities	(636,397)	(499,160)	(51,433)
FINANCING ACTIVITIES
Proceeds of term loan	300,000	0	0
Proceeds from senior notes payable	100,000	0	0
Payments of senior notes payable	(25,000)	0	0
Proceeds of revolving credit facility	0	0	240,000
Payments of revolving credit facility	0	(30,000)	(110,000)
Repayments of other debts	(1,552)	0	0
Payments of term loan and other loans	(3,750)	(2,619)	(145,000)
Net proceeds related to stock-based award activities	(862)	13,365	18,744
Debt issuance costs	(2,723)	0	(1,786)
Cash dividends paid	(55,911)	(49,730)	(46,839)
Purchases of common stock	0	0	(22,927)
Net cash provided by (used in) financing activities	310,202	(68,984)	(67,808)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(11,420)	(9,889)	17,596
Increase (decrease) in cash, cash equivalents, and restricted cash	82,103	(204,689)	156,386
Cash, cash equivalents, and restricted cash at beginning of period	482,836	687,525	531,139
Cash, cash equivalents, and restricted cash at end of period	564,939	482,836	687,525
Reconciliation of cash and cash equivalents:
Cash and cash equivalents	562,588	478,473	687,525
Restricted cash included in prepaid expenses and other current assets	802	2,718	0
Restricted cash included in other assets	1,549	1,645	0
Cash paid during the period for interest	25,439	17,420	20,095
Cash paid during the period for income taxes, net of refunds	93,622	55,561	27,619
Capital expenditures, not yet paid	$ 11,725	$ 11,872	$ 6,126