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Fair Value Measurements - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 27, 2019
USD ($)
Mar. 28, 2018
USD ($)
Dec. 27, 2017
USD ($)
Restaurant
Sep. 27, 2017
USD ($)
Restaurant
Mar. 27, 2019
USD ($)
Restaurant
Mar. 28, 2018
USD ($)
Jun. 27, 2018
USD ($)
Schedule of Impairments [Line Items]              
Carrying value of impaired long lived assets     $ 2.3 $ 6.0 $ 1.0    
Fair value of impaired long lived assets $ 0.0   0.3 0.0 0.0    
Restaurant impairment charges 0.0 $ 0.0 $ 2.0 7.2 1.0 $ 9.2  
Carrying value of reacquired franchise rights       $ 1.2      
Accumulated amortization on definite-lived intangible assets $ 6.7       6.7   $ 5.7
Impairment of Goodwill         0.0 0.0  
Liquor Licenses [Member]              
Schedule of Impairments [Line Items]              
Impairment of liquor licenses         $ 0.0 $ 0.0  
Chili's Restaurants [Member]              
Schedule of Impairments [Line Items]              
Number of underperforming restaurants | Restaurant     1 9 2    
Maggiano's Restaurants [Member]              
Schedule of Impairments [Line Items]              
Number of underperforming restaurants | Restaurant     1