Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Goodwill And Other Intangible Assets
Intangible assets, useful life, minimum (years)			5
Intangible assets, useful life, maximum (years)			22
Intangible asset amortization expense	$ 17.0	$ 17.5	$ 51.7	$ 53.4
Future amortization expense, in 2011			67.3
Future amortization expense, in 2012			61.4
Future amortization expense, in 2013			57.9
Future amortization expense, in 2014			55.8
Future amortization expense, in 2015			$ 54.0