CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Cash flows from operating activities:
Net income	$ 121,159	$ 223,334	$ 142,350
Adjustments to reconcile net income to net cash and cash equivalents provided by operating activities:
Depreciation	12,390	9,378	14,435
Amortization of intangibles	54,822	55,284	51,366
Share-based compensation	25,513	24,426	19,542
Research and Development Asset Acquired Other than Through Business Combination, Writeoff	0	5,652	0
Acquired inventory step-up amortization	0	0	393
Provision for inventory valuation	10,015	9,313	8,175
Deferred income taxes	(22,429)	(33,601)	(12,618)
Other, net	2,991	(563)	2,267
Change in operating assets and liabilities net of assets acquired and liabilities assumed in merger and acquisition:
Accounts receivable	12,151	(65,140)	(27,829)
Income taxes	1,798	(5,006)	1,307
Inventories	(16,462)	(93,905)	(57,175)
Prepaid expenses and other assets	(14,013)	(4,954)	(768)
Accounts payable	(4,681)	1,181	12,142
Accrued and other liabilities	11,281	11,304	21,694
Net cash and cash equivalents provided by operating activities	171,973	136,703	175,281
Cash flows from investing activities:
Purchases of marketable securities	(480,458)	(371,287)	(361,022)
Proceeds from maturities and sales of marketable securities	396,844	338,645	255,063
Purchases of property, plant and equipment	(22,573)	(18,405)	(12,039)
Proceeds from sale of property, plant and equipment	2,800	0	0
Purchase of business, net of cash acquired	0	(4,644)	(23,795)
Net cash and cash equivalents provided by (used in) investing activities	(103,387)	(55,691)	(141,793)
Cash flows from financing activities:
Purchases of common stock	(3,197)	(65,257)	0
Tax payments related to shares withheld for share-based compensation plans	(10,762)	(8,874)	(7,403)
Payment of contingent consideration for acquired business	(801)	(2,287)	0
Issuance of shares through share-based compensation plans	5,285	8,068	10,073
Net cash and cash equivalents provided by (used in) financing activities	(9,475)	(68,350)	2,670
Effect of exchange rate changes on cash and cash equivalents	(1,476)	(6,391)	(3,276)
Net increase in cash and cash equivalents	57,635	6,270	32,882
Cash and cash equivalents at beginning of year	175,872	169,602	136,720
Cash and cash equivalents at end of year	233,508	175,872	169,602
Supplemental disclosure of cash flow information:
Income taxes paid (received), net	$ 34,104	$ 58,687	$ 23,766