Employee Stock Plans (Tables)

9 Months Ended

Sep. 27, 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				Nine Months Ended
(In millions)	September 27, 2024		September 29, 2023		September 27, 2024		September 29, 2023
Cost of revenues (1)	$	0.5	$	0.3	$	1.3	$	0.9
Research and development	0.1		0.1		0.2		0.2
Sales and marketing	0.4		0.4		1.4		1.1
General and administrative	3.7		3.2		9.8		6.5
Total stock-based compensation	$	4.7	$	4.0	$	12.7	$	8.7

(1)Stock-based compensation expense capitalized in inventory for the three and nine months ended September 27, 2024 and September 29, 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 nine months ended September 27, 2024:

(In millions)	Number of Shares	Aggregate Intrinsic Value
Outstanding at December 29, 2023	1.4	$	46.1
Granted	0.7
Vested	(0.4)
Forfeited	(0.3)
Outstanding at September 27, 2024	1.4	56.7
Expected to vest at September 27, 2024	1.4	$	56.7