Financial Instruments - Derivative Instruments Designated as Fair Value Hedges Included in Condensed Consolidated Statements of Earnings (Detail) (Interest Rate Swaps [Member], Interest Expense [Member], Fair Value Hedging [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 04, 2015	Mar. 29, 2014
Interest Rate Swaps [Member] | Interest Expense [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion of Gain Recognized in Income	$ 1.0	$ 1.0