Summary of HNTE and R&D Benefit and Effect on Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jan. 03, 2022	Dec. 28, 2020	Dec. 30, 2019
Income Tax Disclosure [Abstract]
HNTE and R&D benefits	$ 5,611	$ 4,235	$ 6,060
Basic shares	106,314	106,366	105,195
Diluted shares	108,153	106,366	106,332
Basic	$ 0.05	$ 0.04	$ 0.06
Diluted	$ 0.05	$ 0.04	$ 0.06

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a tax holiday.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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