Long-Term Debt (Details)		1 Months Ended		12 Months Ended
	Jun. 29, 2021 USD ($)	Feb. 28, 2021 USD ($)	Jul. 30, 2019 USD ($)	Dec. 29, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)	May 01, 2020 USD ($)	Apr. 30, 2020 USD ($)
Long-Term Debt
Maximum commitments							$ 125,000,000	$ 200,000,000
Outstanding letters of credit				$ 23,400,000	$ 19,400,000
Liquidity Balance				$ 249,500,000
Net Adjusted Leverage Ratio				280.0
Capitalized interest expense				$ 800,000	$ 600,000	$ 400,000
Net availability for borrowings				$ 96,600,000
Subsequent Events
Long-Term Debt
Minimum Amount of Liquidity to be Maintained at the End of Each Calendar Month		$ 65,000,000
Maximum Limit of Capital Expenditure	$ 90,000,000
New Facility
Long-Term Debt
Maximum commitments			$ 400,000,000
Maximum commitments, letter of credit sub-facility			$ 40,000,000
New Facility | Minimum
Long-Term Debt
Financial covenant, EBITDAR Ratio			1.9
New Facility | Maximum
Long-Term Debt
Financial covenant, Net Adjusted Leverage Ratio				4.75
Adjusted LIBO Rate | New Facility
Long-Term Debt
Credit facility, basis spread on variable rate, (as a percent)				2.50%
Commitment fee (as a percent)				0.40%
Federal Funds Effective Rate | New Facility
Long-Term Debt
Credit facility, floating interest rate basis				federal funds rate
Credit facility, basis spread on variable rate, (as a percent)				0.50%
One-month Adjusted LIBO Rate | New Facility
Long-Term Debt
Credit facility, floating interest rate basis				one-month Adjusted LIBO Rate
Credit facility, basis spread on variable rate, (as a percent)				1.00%
Base Rate Member | New Facility
Long-Term Debt
Credit facility, basis spread on variable rate, (as a percent)				1.50%