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Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details)		12 Months Ended
	Apr. 13, 2016 segment	Dec. 29, 2018 segment item
Goodwill
Number of reporting units | segment	2	1
Number of trailing quarters used to determine the control premium | item		4
Minimum
Intangible Assets
Estimated useful life (in years)		5 years
Maximum
Intangible Assets
Estimated useful life (in years)		10 years

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- Definition

Number of trailing quarters used to determine the control premium utilizing data from publicly available premium studies.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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