Goodwill and Intangible Assets, Net - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 64.0	$ 64.0
Developed Technologies
Goodwill And Intangible Assets [Line Items]
Gross carrying amount	19.0	19.0
Accumulated amortization	16.0	13.0
Amortization expense definite-lived intangible assets	2.0	2.0	$ 2.0
Patents
Goodwill And Intangible Assets [Line Items]
Gross carrying amount	2.0	2.0
Accumulated amortization	0.3	0.1
Amortization expense definite-lived intangible assets	0.2	0.1
Trade Names
Goodwill And Intangible Assets [Line Items]
Indefinite-lived trade name/trademarks	$ 1.4	$ 1.4

Goodwill and intangible assets.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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