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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 27, 2020
Accounting Policies [Abstract]  
Schedule of Property and Equipment We compute depreciation using the straight-line method over the estimated useful lives of the assets as follows:
 Years
Buildings40
Software
3 - 8
Computers, furniture and equipment
3 - 10
Property and equipment
(in thousands)December 27,
2020
December 29,
2019
Buildings and land$44,479 $43,621 
Software127,715 132,378 
Computers, furniture and equipment42,846 57,770 
Construction in progress9,997 8,727 
Gross property and equipment225,037 242,496 
Less accumulated depreciation(153,303)(176,346)
Property and equipment, net$71,734 $66,150