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Share-Based Compensation (Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions) (Details) (USD $)
3 Months Ended
Apr. 04, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Expected volatility (%) 26.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Expected term (yrs) 7 years
Risk-free rate (%) 1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Fair value per option $ 21.72us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue