Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		3 Months Ended		6 Months Ended
	Jul. 01, 2011	Dec. 31, 2010	Jul. 01, 2011 Not Designated As Cash Flow Hedges [Member] Other Income /(Expense) [Member]	Jul. 02, 2010 Not Designated As Cash Flow Hedges [Member] Other Income /(Expense) [Member]	Jul. 01, 2011 Not Designated As Cash Flow Hedges [Member] Other Income /(Expense) [Member]	Jul. 02, 2010 Not Designated As Cash Flow Hedges [Member] Other Income /(Expense) [Member]	Jul. 01, 2011 Interest Rate Swaps [Member]	Jul. 01, 2011 Other Interest Rate Swap [Member]	Jul. 01, 2011 Spanish Term Loans [Member]	Dec. 31, 2010 Spanish Term Loans [Member]
Notional amount of interest rate derivatives								$ 9.0	$ 45.6	$ 48.8
Fixed interest rate on interest rate swap							4.49%
Maturity date of outstanding interest rate swap	October 2011
Gain on derivative instruments not designated as cash flow hedges			0.4	0.8	6.4	0.4
Number of derivative require collateral security	0	0
Forward pricing agreements	50.9	30.8
Fair value forward pricing agreements	52.0	35.6
Unrealized gains related to forward pricing agreements	$ 1.1	$ 4.8