Derivative Financial Instruments (Fair Value Of Derivative Instruments In The Consolidated Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2012	Dec. 30, 2011
Asset Derivatives Reported In Miscellaneous Receivables And Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net investment hedges, Assets	$ 0.3	$ 0.1
Balance sheet hedges (Non-designated hedges), Assets	0.1	0.1
Total derivative, Assets	0.4	0.2
Liability Derivatives Reported In Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net investment hedges, Liabilities
Balance sheet hedges (Non-designated hedges), Liabilities	0.2	0.2
Total derivative, Liabilities	$ 0.2	$ 0.2