Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 30, 2024	Apr. 01, 2023
Net sales		$ 107,614	$ 179,371
Cost and expenses:
Cost of sales (1)	[1]	58,365	93,153
Research and development		22,336	22,510
Selling, general and administrative		35,082	34,189
Amortization of purchased intangible assets		9,795	8,754
Restructuring charges		9	888
Costs and Expenses		125,587	159,494
Income (loss) from operations		(17,973)	19,877
Other (expense) income:
Interest expense		(289)	(1,128)
Interest income		2,709	2,718
Gain (Loss), Foreign Currency Transaction, before Tax		(541)	(440)
Loss on extinguishment of debt		(241)	(369)
Income (loss) before taxes		(16,335)	20,658
Income tax provision (benefit)		(1,700)	4,973
Net income (loss)		$ (14,635)	$ 15,685
Basic (in dollars per share)		$ (0.31)	$ 0.33
Diluted (in dollars per share)		$ (0.31)	$ 0.33
Weighted average shares used in computing income (loss) per share:
Basic (in shares)		47,134	47,343
Diluted (in shares)		47,134	48,171

[1] Excludes amortization of $7,522 and $6,891 for the three months ended March 30, 2024 and April 1, 2023, respectively.