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Stock-Based Compensation (Valuation Assumptions) (Details)
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Expected term 6 years 6 years 6 years
Expected volatility (weighted-average) 38.07% 38.96% 43.54%
Expected dividend yield (weighted-average) 2.36% 3.30% 1.94%
Risk-free interest rate (weighted-average) 2.17% 1.41% 1.69%