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Represents the number of restaurants.

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Business and Basis of Presentation (Details)	Jun. 23, 2019 USD ($) office fund_strategy $ / shares	Feb. 26, 2019 USD ($)	Aug. 27, 2018 USD ($)	Aug. 06, 2018 USD ($) shares	Jun. 27, 2018 USD ($)	Jun. 25, 2019 USD ($) restaurant state $ / shares	Dec. 26, 2018 USD ($)	Dec. 25, 2018 USD ($) $ / shares	Sep. 21, 2018 USD ($)	Aug. 01, 2018 $ / shares
Business And Basis Of Presentation [Line Items]
Number of restaurants owned and operated \| restaurant						78
Restaurant operated in number of states \| state						17
Number of shares issued under underwriting agreement \| shares				11,250,000
Common stock, par value per share (in usd per share) \| $ / shares						$ 0.001		$ 0.001		$ 0.001
Total proceeds from sale of common stock				$ 97,800,000
Operating lease right-of-use assets, net						$ 166,204,000
Operating lease liabilities						225,294,000
Cumulative effect increase to retained earnings for adoption of new accounting guidance						$ 17,384,000		$ 33,379,000
Accounting Standards Update 2016-02
Business And Basis Of Presentation [Line Items]
Operating lease right-of-use assets, net							$ 161,600,000
Operating lease liabilities							218,000,000
Cumulative effect increase to retained earnings for adoption of new accounting guidance							$ 8,700,000
Discontinued Operations, Disposed of by Sale \| Sullivan's
Business And Basis Of Presentation [Line Items]
Proceeds from Sullivan's sale									$ 32,000,000
Over-Allotment Option
Business And Basis Of Presentation [Line Items]
Number of shares issued under underwriting agreement \| shares				1,687,500
Revolving Loan \| Revolving Loan
Business And Basis Of Presentation [Line Items]
Aggregate principal amount of revolving loan					$ 50,000,000.0
Amended Term Loan B \| LIBOR
Business And Basis Of Presentation [Line Items]
Basis spread on variable rate			6.00%
Amended Term Loan B \| Base Rate
Business And Basis Of Presentation [Line Items]
Basis spread on variable rate			5.00%
Joinder Agreement Term Loan
Business And Basis Of Presentation [Line Items]
Aggregate principal amount of term loans		$ 25,000,000
Net proceeds from debt		$ 23,100,000
Secured Debt \| Term Loan B
Business And Basis Of Presentation [Line Items]
Aggregate principal amount of term loans					$ 390,000,000.0
Secured Debt \| Term Loan B \| LIBOR
Business And Basis Of Presentation [Line Items]
Basis spread on variable rate					4.75%
Secured Debt \| Term Loan B \| Base Rate
Business And Basis Of Presentation [Line Items]
Basis spread on variable rate					3.75%
Secured Debt \| Amended Term Loan B
Business And Basis Of Presentation [Line Items]
Aggregate principal amount of term loans			$ 18,000,000
Barteca Holdings LLC
Business And Basis Of Presentation [Line Items]
Restaurant operated in number of states \| state						13
Purchase price					$ 331,199,000
Purchase price including customary adjustments					$ 325,000,000
Del Frisco's Double Eagle Steak House
Business And Basis Of Presentation [Line Items]
Number of restaurants owned and operated \| restaurant						16
Barcelona Wine Bar \| Barteca Holdings LLC
Business And Basis Of Presentation [Line Items]
Number of restaurants owned and operated \| restaurant						17
Restaurant operated in number of states \| state						9
Bartaco \| Barteca Holdings LLC
Business And Basis Of Presentation [Line Items]
Number of restaurants owned and operated \| restaurant						21
Grille
Business And Basis Of Presentation [Line Items]
Number of restaurants owned and operated \| restaurant						24
L Catterton
Business And Basis Of Presentation [Line Items]
Purchase price including customary adjustments	$ 650,000,000
Equity capital	$ 15,000,000,000
Number of fund strategies \| fund_strategy	6
Number of offices \| office	17
Share price stockholders receive for sale of company (in usd per share) \| $ / shares	$ 8.00