Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 29, 2025	Mar. 30, 2024
Net sales		$ 96,797	$ 107,614
Cost and expenses:
Cost of sales (1)	[1]	54,480	58,365
Research and development		23,152	22,336
Selling, general and administrative		30,011	35,082
Amortization of purchased intangible assets		9,852	9,795
Restructuring charges		6,628	9
Costs and Expenses		124,123	125,587
Loss from operations		(27,326)	(17,973)
Other (expense) income:
Interest expense		(198)	(289)
Interest income		1,613	2,709
Foreign transaction loss		(55)	(541)
Loss on extinguishment of debt		0	(241)
Loss before taxes		(25,966)	(16,335)
Income tax provision (benefit)		4,838	(1,700)
Net income (loss)		$ (30,804)	$ (14,635)
Loss per share:
Basic (in dollars per share)		$ (0.66)	$ (0.31)
Diluted (in dollars per share)		$ (0.66)	$ (0.31)
Weighted average shares used in computing income (loss) per share:
Basic (in shares)		46,645	47,134
Diluted (in shares)		46,645	47,134

[1] Excludes amortization of purchased intangibles of $7,559 and $7,522 for the three months ended March 29, 2025 and March 30, 2024, respectively.