Additional Financial Statement Information (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Executive severance costs	$ 0	$ 611	$ 0	$ 611

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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-Publisher FASB
-Name Accounting Standards Codification
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