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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 26, 2020
Accounting Policies [Abstract]  
Estimated useful lives of property, plant and equipment
Property and Equipment

Property and equipment are initially recorded at cost.  Depreciation is recorded using the straight-line method over the estimated useful lives of the assets.  Improvements to leased premises are amortized using the straight-line method over the remaining term of the lease or the useful life of the improvement, whichever is less. The following table summarizes the Company's property and equipment balances and includes the estimated useful lives which are generally applied (in thousands, except estimated useful lives):
 Estimated Useful LivesDecember 26,
2020
December 28,
2019
Land$100,138 $100,343 
Buildings and improvements1 – 35 years1,319,559 1,242,544 
Furniture, fixtures and equipment5 – 10 years773,178 729,272 
Computer software and hardware2 – 7 years563,509 440,222 
Construction in progress73,950 39,110 
Property and equipment, gross2,830,334 2,551,491 
Accumulated depreciation and amortization(1,581,374)(1,387,535)
Property and equipment, net$1,248,960 $1,163,956