CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022
Cash flows from operating activities:
Net income	$ 54,964	$ 104,905
Adjustments to reconcile net income to net cash and cash equivalents provided by operating activities:
Amortization of intangibles	27,649	27,639
Depreciation	5,815	4,666
Share-based compensation	13,864	12,815
Provision for inventory valuation	6,386	4,494
Deferred income taxes	(11,020)	(13,962)
Other, net	1,136	2,415
Changes in operating assets and liabilities, net of effects of business acquired	(17,039)	(87,584)
Net cash and cash equivalents provided by operating activities	81,755	55,388
Cash flows from investing activities:
Purchases of marketable securities	(209,154)	(174,730)
Proceeds from maturities and sales of marketable securities	198,717	148,426
Purchases of property, plant and equipment	(12,463)	(6,902)
Net cash and cash equivalents used in investing activities	(22,900)	(33,206)
Cash flows from financing activities:
Purchases and retirement of common stock	(3,197)	0
Tax payments related to shares withheld for share-based compensation plans	(9,949)	(8,337)
Payment of contingent consideration for acquired business	(304)	(2,287)
Issuance of shares through share-based compensation plans	5,285	4,499
Net cash and cash equivalents used in financing activities	(8,165)	(6,125)
Effect of exchange rate changes on cash and cash equivalents	(2,305)	(5,484)
Net increase in cash and cash equivalents	48,385	10,573
Cash and cash equivalents at beginning of period	175,872	169,602
Cash and cash equivalents at end of period	224,257	180,175
Supplemental disclosure of cash flow information:
Income taxes paid (net of refunds)	$ 18,888	$ 32,945