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Stock-Based Compensation (Deferred Compensation) (Details) - USD ($)
$ in Thousands
Dec. 29, 2018
Dec. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Current maturities of other long-term obligations $ 2,356 $ 719
Other long-term liabilities 8,729 11,581
Total deferred compensation 11,085 12,300
Total fair-market value of deferred compensation $ 7,857 $ 8,885