Employee Stock Plans (Tables)

3 Months Ended

Apr. 01, 2022

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
	April 1,			March 26,
(In millions)	2022			2021
Cost of revenues (1)	$	0.5		$	0.5
Research and development		0.1			0.1
Sales and marketing		0.3			0.3
General and administrative		4.7			2.6
		5.6			3.5
Income tax benefit		(1.2	)		(0.8	)
Stock-based compensation expense, net of tax	$	4.4		$	2.7

Stock-based compensation expense capitalized in inventory for the three months ended April 1, 2022 and March 26, 2021 was not significant.

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 April 1, 2022:

(In millions)	Shares		Aggregate Fair Value
Unvested RSUs, PSUs and RSAs at December 31, 2021		1.2	$	69.3
Granted		0.1		-
Vested		-		-
Forfeited		-		-
Unvested RSUs, PSUs and RSAs as of April 1, 2022		1.3	$	53.0
Vested and expected to vest RSUs, PSUs and RSAs as of April 1, 2022		1.3	$	53.0