Employee Stock Plans (Tables)

3 Months Ended

Mar. 29, 2024

Postemployment Benefits [Abstract]

Stock-Based Compensation Expense Included in Condensed Consolidated Statements of Operations

The following table shows the Company’s stock-based compensation expense included in the Condensed Consolidated Statements of Operations:

	Three Months Ended
(In millions)	March 29, 2024		March 31, 2023
Cost of revenues (1)	$	0.4	$	0.3
Research and development	0.1		0.1
Sales and marketing	0.4		0.3
General and administrative	2.6		3.0
Total stock-based compensation	$	3.5	$	3.7

(1)Stock-based compensation expense capitalized in inventory for the three months ended March 29, 2024 and March 31, 2023 were immaterial.

Summary of Restricted Stock Unit, Performance Stock Units and Restricted Stock Award Activity

The following table summarizes the Company’s combined RSU, PSU and RSA activity for the three months ended March 29, 2024:

(In millions)	Number of Shares	Aggregate Intrinsic Value
Unvested restricted stock units and restricted stock awards at December 29, 2023	1.4	$	46.1
Granted	0.0
Vested	(0.1)
Forfeited	(0.1)
Unvested restricted stock units and restricted stock awards at March 29, 2024	1.2	57.0
Vested and expected to vest restricted stock units and restricted stock awards	1.2	$	56.0