Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Classification Of Stock-Based Compensation

The following table presents the classification of stock-based compensation:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(In millions)
Cost of revenues	$	1.8	$	1.6	$	5.3	$	4.9
Research and development	2.5		2.2		7.2		6.1
Selling, general and administrative	12.0		10.6		31.7		30.0
Stock-based compensation expense	16.3		14.4		44.2		41.0
Capitalization (included in Property and equipment, net)	0.4		0.5		1.2		1.3
Total stock-based compensation	$	16.7	$	14.9	$	45.4	$	42.3

Nature Of Total Stock-Based Compensation

The following table presents the nature of the Company’s total stock-based compensation:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(In millions)
RSUs	$	12.3	$	11.9	$	33.2	$	31.8
Performance-based RSUs	3.3		1.9		9.0		7.3
ESPP	1.1		1.1		3.2		3.2
Total stock-based compensation	$	16.7	$	14.9	$	45.4	$	42.3