Stock Transactions And Stock-Based Compensation (Assumptions Used In The Black-Scholes Model To Value Options Granted) (Details)	3 Months Ended
	Mar. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average volatility (percentage)	24.20%
Dividend yield (percentage)	0.20%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate (percentage)	1.10%
Expected years until exercise (years)	6 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate (percentage)	1.70%
Expected years until exercise (years)	8 years 6 months