Fair Value (Summary Of Changes In Fair Market Value Of Company's Level 3 Liabilities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Fair Value Disclosures [Abstract]
Beginning Balance	$ 23.8	$ 9.2	$ 23.5	$ 11.0
Valuation Adjustments	0.3	0	0.6	(1.8)
Acquisitions	0	16.7	0	16.7
Payments	(0.9)	0	(0.9)	0
Ending Balance	$ 23.2	$ 25.9	$ 23.2	$ 25.9
Discounted cash flow utilized risk-based discount rates range, lower			5.00%
Discounted cash flow utilized risk-based discount rates range, upper			8.00%