Employee Benefit Plans (Tables)

9 Months Ended

Oct. 01, 2023

Employee Benefit and Share-Based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Stock Option Activity

Stock option activity was as follows:

(In thousands, except per share amounts)	Number of Shares			Weighted Average Exercise Price Per Share
Outstanding as of December 31, 2022		872		$	30.64
Expired		(6	)	$	21.86
Outstanding as of October 1, 2023		866		$	30.70

Schedule of RSU Activity

RSU activity was as follows:

(In thousands, except per share amounts)	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Outstanding as of December 31, 2022		1,546		$	27.82
Granted		752		$	17.49
Vested		(638	)	$	27.32
Cancelled		(84	)	$	25.52
Outstanding as of October 1, 2023		1,576		$	23.01

Schedule of Performance Shares Activity

Performance shares activity was as follows:

(In thousands, except per share amounts)	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Outstanding as of December 31, 2022		430		$	29.38
Granted		145		$	14.44
Vested		—			—
Cancelled		(158	)	$	27.85
Outstanding as of October 1, 2023		417		$	24.76

Schedule of Total Stock-Based Compensation Expense Resulting from Stock Options, RSUs, Performance Shares and the ESPP

Valuation and Expense Information

The following table sets forth the stock-based compensation expense resulting from stock options, RSUs, performance shares and the ESPP included in the Company's unaudited condensed consolidated statements of operations:

	Three Months Ended				Nine Months Ended
(In thousands)	October 1, 2023		October 2, 2022		October 1, 2023		October 2, 2022
Cost of revenue	$	354	$	283	$	1,047	$	1,027
Research and development		841		968		3,050		3,150
Sales and marketing		1,271		1,249		4,099		4,275
General and administrative		1,819		940		5,441		4,814
Total	$	4,285	$	3,440	$	13,637	$	13,266