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Stock-Based Compensation (Stock Option Vested or Expected to Vest and are Exercisable) (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 02, 2021
USD ($)
$ / shares
shares
Expected to vest  
Number (shares) | shares 1,138,149
Weighted-Average Exercise Price (in dollars per share) | $ / shares $ 40.57
Weighted-Average Remaining Exercisable Period (years) 7 years 4 months 24 days
Aggregate Intrinsic Value | $ $ 1,514
Exercisable  
Number (shares) | shares 1,810,861
Weighted-Average Exercise Price (in dollars per share) | $ / shares $ 39.38
Weighted-Average Remaining Exercisable Period (years) 4 years 9 months 18 days
Aggregate Intrinsic Value | $ $ 0