Business Combinations (Schedule Of Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net ) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Business Combination, Separately Recognized Transactions [Line Items]
Goodwill	$ 2,077.6	$ 2,106.4	$ 2,085.8
Acquired Companies Group [Member]
Business Combination, Separately Recognized Transactions [Line Items]
Fair value of total purchase consideration	27.6	176.2	331.8
Fair value of net assets acquired	(1.9)	8.0	41.2
Identified intangible assets	13.6	83.3	155.8
Deferred taxes	(1.3)	(13.6)	(46.8)
Goodwill	$ 17.2	$ 98.5	$ 181.6