Income Taxes - Components of Deferred Tax Assets (Detail) - USD ($)	Jan. 02, 2021	Dec. 28, 2019
Deferred tax assets:
Deferred revenue	$ 19,769,000	$ 13,948,000
Net operating losses	19,140,000	724,000
Accrued liabilities	16,534,000	13,273,000
Tax credits	9,398,000	6,438,000
Stock-based compensation	8,385,000	7,926,000
Operating lease assets	5,782,000	4,174,000
Other	0	867,000
Total	79,008,000	47,350,000
Valuation allowance	(15,660,000)	0
Total deferred tax assets	63,348,000	47,350,000
Deferred tax liabilities:
Property and equipment	(12,818,000)	(6,604,000)
Acquired intangibles	(5,465,000)	0
Operating lease liabilities	5,429,000	3,845,000
Withholding taxes on undistributed foreign earnings	(3,108,000)	(2,829,000)
State taxes and other	2,302,000	1,152,000
Other	(1,110,000)	0
Total deferred tax liabilities	(30,232,000)	(14,430,000)
Net deferred tax assets	$ 33,116,000	$ 32,920,000

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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