Equity-Based Compensation - Additional information (Detail)	12 Months Ended
Dec. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase of common stock through payroll deductions	85.00%
Maximum employee salary withholdings for purchase of common stock under the terms of the ESPP	15.00%

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.

No definition available.

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