Statement of Cash Flow Supplemental Disclosure (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Other Significant Noncash Transactions [Line Items]
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	1,127	23,088
Shares Paid For Tax Withholding For Share Based Compensation, Value	$ 10	$ 700

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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