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Description of Business and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 27, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Fiscal Year End Dates Year-end dates and the number of weeks in each fiscal year are shown in the table below for periods presented in this Form 10-K and for the upcoming fiscal year.
Fiscal YearYear End DateNumber of Weeks in Fiscal Year
Current and Prior Fiscal Years:
2020December 27, 202052
2019December 29, 201952
2018December 30, 201852
Upcoming Fiscal Year
2021December 26, 202152
Schedule of estimated useful lives for property and equipment
The estimated useful lives for property and equipment are:
Buildings
5 years to 20 years
Leasehold improvements
Shorter of lease term or estimated useful life, not to exceed 20 years
Furniture, fixtures and equipment
5 years to 20 years
Computer equipment
2 years to 5 years
Schedule of computations for basic and diluted earnings per share Basic weighted average shares outstanding is reconciled to diluted weighted average shares outstanding for the fiscal years ended December 27, 2020, December 29, 2019, and December 30, 2018 as follows (in thousands):
202020192018
Basic weighted average shares outstanding14,314 12,959 12,976 
Dilutive effect of stock options and awards— — — 
Diluted weighted average shares outstanding14,314 12,959 12,976 
Awards excluded due to anti-dilutive effect on diluted earnings per share489 378 427