Long-term Debt Narrative (Details)	3 Months Ended		12 Months Ended				3 Months Ended	12 Months Ended			12 Months Ended						12 Months Ended			12 Months Ended				12 Months Ended
	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Sep. 30, 2013 Chilean Bank Loan USD ($)	Dec. 31, 2013 Chilean Bank Loan USD ($) payments	Dec. 31, 2013 Brazilian term credit facility maturing 2017 USD ($) payments	Dec. 31, 2012 Brazilian term credit facility maturing 2017 USD ($)	Dec. 31, 2013 Senior notes payable 2014 through 2019 USD ($)	Dec. 31, 2012 Senior notes payable 2014 through 2019 USD ($)	Dec. 31, 2013 Non recourse notes payable 2018 USD ($)	Dec. 31, 2012 Non recourse notes payable 2018 USD ($)	Dec. 31, 2013 Senior unsecured notes maturing 2020 USD ($)	Dec. 31, 2012 Senior unsecured notes maturing 2020 USD ($)	Dec. 31, 2013 Chilean term credit facility maturing 2019 USD ($)	Dec. 31, 2012 Chilean term credit facility maturing 2019 USD ($)	Dec. 31, 2013 Chilean term credit facility maturing 2019 CLP	Dec. 31, 2013 Chilean term credit facility maturing 2019 Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Domain]	Dec. 31, 2012 Chilean term credit facility maturing 2019 Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Domain]	Dec. 31, 2013 Senior Notes 2018 USD ($)	Dec. 31, 2012 Senior Notes 2018 USD ($)	Dec. 31, 2013 Base Rate	Dec. 31, 2013 Base Rate Maximum	Dec. 31, 2013 Base Rate Minimum	Dec. 31, 2013 London Interbank Offered Rate (LIBOR)	Dec. 31, 2013 London Interbank Offered Rate (LIBOR) Maximum	Dec. 31, 2013 London Interbank Offered Rate (LIBOR) Minimum	Dec. 31, 2013 Other Commitments [Domain] Maximum	Dec. 31, 2013 Other Commitments [Domain] Minimum	Dec. 31, 2013 Minimum unrestricted cash and cash equivalents prior to Ainsworth acquisition	Dec. 31, 2013 Minimum unrestricted cash and cash equivalents after Ainsworth acquisition
Debt Instrument [Line Items]
Foreign Currency Disclosure [Text Block]																	2.8	3.2		-.3	1.0
Fair value of debt											$ 23,000,000	$ 114,000,000			$ 390,000,000	$ 397,000,000
Amount of loan issuance											348,600,000		368,700,000				39,000,000		943,543.7391
Notes payable			0	90,000,000					8,000,000	10,000,000	22,000,000	112,000,000	368,700,000	368,700,000			15,700,000	39,300,000
Notes Receivable			432,200,000	523,600,000																		410,000,000	410,000,000
2019 and after			355,200,000
Notes receivable used as collateral on loan											22,200,000
Amount of indebtedness liable for in event of default of notes receivable collateral											10.00%		10.00%
Debt, interest rate, stated percentage									6.65%				0.20%				3.90%
Required debt to equity ratio maximum			1
Long-term debt			765,000,000	880,500,000
Loss on early debt extinguishment		(52,200,000)	(2,300,000)	(52,200,000)	0
Letters of credit outstanding			8,500,000
Line of credit facility, remaining borrowing capacity			191,500,000
Line of credit facility, interest rate description																								.005	.025	.0075	.01	.035	.0175	.00625	.003
Capitalization Ratio, Maximum			40.00%
Debt instrument, covenant description																																350	250
Capitalization ratio, actual			38.00%
Cash and cash equivalents			656,800,000	560,900,000	340,000,000	389,300,000
Restricted cash			11,300,000	12,000,000
Ratio of indebtedness to net capital			2.5
Required EBITDA to financial costs minimum			3
Number of future semi-annual payments								16	10
Debt instrument, periodic payment, principal									2,000,000								(5,500,000)
Debt, weighted average interest rate			3.90%	4.20%
Interest paid, net			35,000,000	50,100,000	56,600,000
Repayment of long term debt	$ 2,600,000		$ 113,200,000	$ 253,100,000	$ 200,000		$ 18,400,000	$ 21,000,000			$ 90,000,000