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Goodwill and Acquired Intangibles (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Changes in the carrying amount of goodwill    
Balance at beginning of period $ 661,856 $ 662,272
Effect of foreign currency translation (333) (416)
Goodwill, Acquired During Period 120,564  
Balance at end of period $ 782,087 $ 661,856