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Share-Based Compensation (Tables)
 3 Months Ended
Apr. 02, 2017
Share-based Compensation [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The average fair value of stock options granted during the first three months of 2017 and 2016 was $19.36 and $11.91, respectively, and was estimated using the following weighted-average assumptions:

 
April 2, 2017
 
April 3, 2016
Risk-free interest rate
1.7
%
 
1.2
%
Expected life (years)
4.5

 
4.5

Expected stock volatility
35.1
%
 
36.2
%
Expected dividend yield
0.3
%
 
0.4
%