Goodwill and Intangible Assets - Change in carrying value of goodwill and intangible assets (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018
Goodwill as of beginning of period	$ 3,683	$ 3,683
Acquired goodwill	108,846
Impairment of goodwill		0
Goodwill as of end of period	$ 112,529	$ 3,683

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 increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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