Consolidated Statements of Comprehensive Income (Paranthetical) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Statement of Comprehensive Income [Abstract]
Tax effect of fair value hedging activities	$ (26.6)	$ (16.9)	$ (0.7)
Tax effect of hedging activities reclassified into earnings	16.5	3.7	5.5
Tax effect of pension benefits prior service cost arising during period	1.8	(10.2)	9.7
Tax effect of pension benefits net gain (loss) arising during period less amortization of net prior service cost and unrecognized loss included in net periodic pension cost	$ 1.6	$ 1.1	$ 1.7