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SEGMENT INFORMATION (Long-Lived Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 350,437 $ 377,924
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 314,679 337,369
International    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 35,758 $ 40,555
Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
International long-lived assets, as a percent of total long-lived assets 87.40% 87.60%