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
	Jun. 28, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Mar. 30, 2013
Fair Value Disclosures [Abstract]
Beginning Balance	$ 0	$ 21.6	$ 9.7	$ 21.1	$ 21.6
Valuation Adjustments	0	0.3	(1.1)	0.8
Derivative Liabilities Payment	0	(0.3)	(8.6)	(0.3)
Ending Balance			$ 0		$ 21.6