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Stock Plans (Weighted-Average Assumptions Used in the Black-Scholes Option Pricing Model) (Details)
12 Months Ended
Jan. 02, 2022
Jan. 03, 2021
Dec. 29, 2019
Share-based Payment Arrangement [Abstract]      
Risk-free interest rate 0.90% 0.90% 2.50%
Expected dividend yield 0.20% 0.30% 0.30%
Expected lives, years 5 years 5 years 5 years
Expected stock volatility 27.30% 23.80% 22.80%