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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 16, 2020
Jun. 18, 2019
Jun. 16, 2020
Jun. 18, 2019
Dec. 31, 2019
Income Tax Disclosure [Abstract]          
Effective income tax rates (percent) 123.80% 27.70% 2.80% 27.80%  
Provision (benefit) for income taxes $ 3,001,000 $ 800,000 $ (2,990,000) $ 1,354,000  
Impairment of non-tax deductible goodwill     87,300,000    
Goodwill reclassified from held for sale     3,517,000    
Valuation allowance $ 0   $ 0   $ 0