Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 16.7	$ 11.8	$ 47.7	$ 34.7
Estimated amortization expense in 2015	$ 64.2		$ 64.2