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Commitments and Contingencies (Details)
$ in Millions
Jun. 22, 2018
USD ($)
Jun. 07, 2018
USD ($)
restaurant
Commitments and Contingencies    
Wage citation   $ 4.2
Number of restaurants receiving janitorial services | restaurant   8
Internal Revenue Service    
Commitments and Contingencies    
Tax disallowance $ 8.0