Stock-Based Compensation (Tables)

12 Months Ended

Jan. 02, 2022

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Stock-Based Compensation Under Statements Of Operations

Stock-based compensation, which was recorded as components of Cost of revenue, Selling, marketing and administrative expenses and Research and development expense, for the fiscal years ended January 2, 2022, January 3, 2021 and December 29, 2019 are presented below:

	Fiscal Year Ended
	January 2, 2022		January 3, 2021		December 29, 2019
Cost of revenue	$	0.5	$	0.8	$	1.8
Selling, marketing and administrative expenses		21.5		7.5		16.4
Research and development expense		0.5		0.2		0.5
Total stock-based compensation	$	22.5	$	8.6	$	18.6

Summary of Option, Activity

A summary of stock option activity for the fiscal year ended January 2, 2022 is presented below:

	Number of shares			Weighted average exercise price		Weighted average grant date fair value		Weighted average remaining contractual life (years)
Number of shares under option:
Outstanding as of January 3, 2021		16,080,124		$	9.66	$	3.93		3.56
Granted		270,119			16.46		7.04
Canceled		(1,056,687	)		11.91		3.71
Exercised		(2,338,652	)		6.86		3.88
Outstanding as of January 2, 2022		12,954,904		$	10.13	$	4.02		3.15
Exercisable as of January 2, 2022		7,596,739			8.27		3.85		2.51
Expected to vest as of January 2, 2022		1,823,386			12.65		5.20		4.01
Total vested and expected to vest as of    January 2, 2022		9,420,125		$	9.12	$	4.11		2.80

Assumptions Used to Estimated Grant Fair Value

Information related to the assumptions used to estimate the grant fair value of shares using the Black-Scholes option price model follows:

	Fiscal Year Ended
	January 2, 2022			January 3, 2021			December 29, 2019
Grant date fair value of ordinary share, per share	$ 19.06 – $19.97			$ 12.56 – $14.13				$11.92–$12.55
Range of expected term	5.50 – 6.25			0.3 – 4.80			1.00 – 6.14
Range of expected volatility	45% – 50%			55% – 80%			45% – 55%
Weighted-average dividend rate		0	%		0	%		0	%
Range of risk-free rates	1.07% – 1.10%			0.11% – 0.30%			1.50% – 2.56%

Schedule of Performance Based Awards Grant Fair Value

During fiscal 2021, certain performance-based awards at the date of grant were estimated using the Monte-Carlo simulation model with the following assumptions:

	Fiscal Year Ended January 2, 2022
Grant date fair value of ordinary share, per share	$ 19.06 – $19.97
Range of expected volatility		35	%
Expected annual dividend yield		0	%
Range of risk-free interest rates		1.63	%

Summary of Restricted Stock Activity

A summary of all restricted stock activity during the fiscal year ended January 2, 2022 is as follows:

	Number of shares			Weighted average grant date fair value
Restricted shares
Restricted shares outstanding as of January 3, 2021		696,863		$	13.62
Granted		—			—
Vested		(308,139	)		13.27
Restricted shares outstanding as of January 2, 2022		388,724		$	13.48
Restricted stock units
Restricted stock units outstanding as of January 3, 2021		318,680		$	14.13
Granted		176,000			19.86
Vested		(327,780	)		14.27
Restricted stock units outstanding as of January 2, 2022		166,900		$	19.90