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	9 Months Ended		15 Months Ended
	Sep. 29, 2012	Sep. 29, 2012	Oct. 01, 2011	Oct. 01, 2012	Mar. 31, 2012	Apr. 02, 2011
Fair Value Disclosures [Abstract]
Beginning Balance		$ 23.5	$ 11.0		$ 23.2	$ 25.9
Valuation Adjustments	0.3	0.9	(1.8)	0
Acquisitions	0.4	0.4	16.7	0
Payments	(3.1)	(4.0)	0	0
Ending Balance	$ 20.8	$ 20.8	$ 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%