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Segment Information - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 30, 2018
USD ($)
Segment
Dec. 31, 2017
USD ($)
Segment Reporting [Abstract]    
Number of reportable segments | Segment 3  
Recognition Of Revenue $ 358,500  
Advertising Fund Assets, Restricted $ 112,744 $ 120,223