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Stock-Based Compensation (Assumptions Used In The Black-Scholes Model To Value Options Granted) (Details)	6 Months Ended
	Jul. 01, 2011
Weighted average volatility	26.50%
Dividend yield	0.20%
Maximum [Member]
Risk-free interest rate	3.19%
Expected years until exercise	8.5
Minimum [Member]
Risk-free interest rate	2.24%
Expected years until exercise	6

The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

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