Share-Based Compensation

9 Months Ended

Oct. 01, 2021

Share-based Payment Arrangement [Abstract]

Note 9: Share-Based Compensation

Total share-based compensation expense related to the Company's RSUs, stock grant awards and the ESPP was recorded within the Consolidated Statements of Operations and Comprehensive Income as follows (in millions):


	Quarters Ended				Nine Months Ended
	October 1, 2021		October 2, 2020		October 1, 2021		October 2, 2020
Cost of revenue	$	3.6	$	3.1	$	11.8	$	8.5
Research and development	5.4		4.8		18.4		13.2
Selling and marketing	3.7		3.4		12.5		9.5
General and administrative	10.0		6.2		31.4		20.0
Share-based compensation expense	$	22.7	$	17.5	$	74.1	$	51.2
Income tax benefit	(4.8)		(3.7)		(15.6)		(10.8)
Share-based compensation expense, net of taxes	$	17.9	$	13.8	$	58.5	$	40.4

As of October 1, 2021, total unrecognized expected share-based compensation expense, net of estimated forfeitures, related to non-vested RSUs with service, performance and market conditions was $105.5 million, which is expected to be recognized over a weighted-average period of 1.4 years. Upon vesting of RSUs, stock grant awards or completion of a purchase under the ESPP, the Company issues new shares of common stock. The annualized pre-vesting forfeiture rate for RSUs was estimated to be 6% for the quarter and nine months ended October 1, 2021 and 5% for the quarter and nine months ended October 2, 2020.

Shares Available

On May 20, 2021, the Company's stockholders approved certain amendments to the Amended and Restated SIP to extend the expiration date from 2022 to 2031 and to increase the number of shares of common stock subject to all awards by 22.5 million, from 87.0 million to 109.5 million. On the same day, the stockholders also approved an amendment to the ESPP, which increased the number of shares available to be issued pursuant to the ESPP by 6.0 million, from 28.5 million to 34.5 million.

As of October 1, 2021 and December 31, 2020, there was an aggregate of 42.2 million and 16.5 million shares of common stock, respectively, available for grant under the Amended and Restated SIP. As of October 1, 2021 and December 31, 2020, there was an aggregate of 8.4 million and 3.0 million shares of common stock, respectively, available for issuance under the ESPP.

Restricted Stock Units

RSUs generally vest ratably over three years for awards with service conditions and over two or three years for awards with performance or market conditions, or a combination thereof, and are settled in shares of the Company's common stock upon vesting. A summary of the RSU transactions for the nine months ended October 1, 2021 is as follows (in millions, except per share data):


	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
Non-vested RSUs at December 31, 2020	11.3	$	20.73
Granted	2.4	41.26

Released	(2.8)	21.40
Forfeited	(4.5)	21.86
Non-vested RSUs at October 1, 2021	6.4	27.33