Long-Term Debt (Schedule Of The Spanish Term Loans And Corresponding Fixed Interest Rate Swaps) (Details) In Millions, unless otherwise specified			12 Months Ended										12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2011 Spanish Term Loans One [Member] EUR (€)		Dec. 31, 2011 Spanish Term Loans Two [Member] EUR (€)		Dec. 31, 2011 Spanish Term Loans Three [Member] EUR (€)		Dec. 31, 2011 Spanish Term Loans Four [Member] EUR (€)		Dec. 31, 2011 Parent Company [Member] USD ($)	Dec. 31, 2010 Parent Company [Member] USD ($)	Dec. 31, 2011 Europe And Mediterranean [Member]	Dec. 31, 2010 Europe And Mediterranean [Member]	Dec. 31, 2011 Europe And Mediterranean [Member] Spanish Term Loan [Member] USD ($)		Dec. 31, 2010 Europe And Mediterranean [Member] Spanish Term Loan [Member] USD ($)
Outstanding borrowings	$ 1,048.9	$ 985.5									$ 823.6	$ 802.9			$ 31.4	[1]	$ 50.1	[1]
Fair value															32.0	[1]	51.9	[1]
Interest rate - weighted average													5.20%	3.10%	3.70%	[1],[2]	3.70%	[1],[2]
Original Amount			€ 20.0		€ 10.0		€ 21.0		€ 15.0
Issuance Date			Feb 2008		Apr 2008		Jun 2008		Sept 2009
Maturity Date Of Debt Instrument			Feb 2013		Apr 2013		Jun 2013		Aug 2014
Maturity date													Various	Various
Interest rate			Euribor +0.5%		Euribor +0.75%		Euribor +0.75%		Euribor +2.0%
Loan and Interest payable			Semi-annual: Aug & Feb		Semi-annual: Apr & Oct		Quarterly: Mar, Jun, Sept & Dec		Quarterly: Mar, Jun, Sept & Dec Principal payments: Feb & Aug
Interest rate Swap			4.20%	[2]	4.58%	[2]	4.48%	[2]	1.54%	[2]

[1] The terms of the Spanish Term Loans are as follows:(in millions) Original Amount Issuance Date Maturity Date Interest rate Loan and Interest payableInterest rate Swap (2)Term Loan 1 20.0 Euros Feb 2008 Feb 2013 Euribor +0.5% Semi-annual: Aug & Feb4.20%Term Loan 2 10.0 Euros Apr 2008 Apr 2013 Euribor +0.75% Semi-annual: Apr & Oct4.58%Term Loan 3 21.0 Euros Jun 2008 Jun 2013 Euribor +0.75% Quarterly: Mar, Jun, Sept & Dec4.48%Term Loan 4 15.0 Euros Sept 2009 Aug 2014 Euribor +2.0% Quarterly: Mar, Jun, Sept & DecPrincipal payments: Feb & Aug1.54%

[2] The Company entered into fixed interest rate swaps to coincide with the terms and conditions of the term loans that will effectively hedge the variable interest rate with a fixed interest rate.