Stock-based Compensation Plans (Assumptions used in the Black-Scholes option pricing model and the weighted-average fair value of option awards granted) (Details) - Stock options [Member] - $ / shares		6 Months Ended
		Jul. 01, 2018	Jun. 25, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted-average risk-free interest rate	[1]	2.66%	1.93%
Dividend yield	[2]	1.50%	1.84%
Expected term	[3]	5 years 9 months 21 days	6 years 3 months 1 day
Weighted-average volatility	[4]	32.76%	33.73%
Weighted-average grant date fair value per option		$ 7.23	$ 5.09

[1] Risk-free interest rate is the U.S. Treasury yield curve in effect as of the grant date for periods within the expected term of the option.

[2] Dividend yield is the level of dividends expected to be paid on the Company’s common stock over the expected term of the option.

[3] Expected term represents the period of time that the options are expected to be outstanding. The Company estimates the expected term based on historical exercise experience for its stock options.

[4] Based on the historical volatility of the Company’s stock.