Long-term Debt (Details) (USD $) In Millions, unless otherwise specified										12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Senior unsecured note maturing 2020	Dec. 31, 2012 Senior unsecured note maturing 2020	May 01, 2012 Senior unsecured note maturing 2020	Dec. 31, 2013 Chilean term credit facility maturing 2019	Dec. 31, 2012 Chilean term credit facility maturing 2019	Dec. 31, 2013 Brazilian term credit facility maturing 2017	Dec. 31, 2012 Brazilian term credit facility maturing 2017	Dec. 31, 2013 Senior notes payable 2014 through 2019	Dec. 31, 2012 Senior notes payable 2014 through 2019	Dec. 31, 2013 Non recourse notes payable 2018	Dec. 31, 2012 Non recourse notes payable 2018	Dec. 31, 2013 Deferred loss on early debt extinguishment	Dec. 31, 2012 Deferred loss on early debt extinguishment
Debt Instrument [Line Items]
Amortization of Financing Costs and Discounts														$ 1.4	$ 4.5
Notes and Loans Payable [Abstract]
Notes payable	0	90.0	350.0	350.0		15.7	39.3	8.0	10.0	22.0	112.0	368.7	368.7
Debt, interest rate, stated percentage			7.50%		7.50%	3.90%		6.65%				0.20%
Debt, interest rate, stated percentage, minimum										7.10%
Debt, interest rate, stated percentage, maximum										7.30%
Other	0.6	0.5
Long-term debt	765.0	880.5
Less: current portion	2.3	97.8
Net long-term portion	$ 762.7	$ 782.7