Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (Level 2 [Member], USD $) In Millions	Jul. 01, 2011	Dec. 31, 2010
Assets	$ 2.0	$ 1.0
Liabilities	1.8	1.0
Equity Derivatives [Member]
Assets	1.7	0.4
Diesel Fuel Contracts [Member]
Assets	0.3	0.6
Foreign Exchange Contracts [Member]
Liabilities	$ 1.8	$ 1.0