Long-Term and Other Debt (Details 6)	3 Months Ended	12 Months Ended						12 Months Ended		12 Months Ended			12 Months Ended		12 Months Ended	0 Months Ended		1 Months Ended		3 Months Ended				1 Months Ended
	Jun. 30, 2012 CNY	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Sep. 30, 2012 USD ($)	Aug. 20, 2012	May 02, 2012 CNY	Dec. 31, 2012 Senior subordinated notes, due in 2018	Dec. 31, 2011 Senior subordinated notes, due in 2018	Dec. 31, 2012 Senior subordinated notes, due in 2018 Prior to September 15, 2014	Dec. 31, 2011 Senior subordinated notes, due in 2018 Prior to September 15, 2014	Dec. 31, 2011 Term Loan, varying interest rate USD ($)	Dec. 31, 2012 Senior subordinated notes due in 2019	Dec. 31, 2011 Senior subordinated notes due in 2019	Dec. 31, 2012 Senior subordinated notes due 2020 USD ($)	Sep. 19, 2012 Senior subordinated notes due in 2016 USD ($)	Dec. 31, 2012 Senior subordinated notes due in 2016	May 31, 2012 China Loans CNY	Jan. 31, 2012 China Loans CNY	Jun. 30, 2012 China Loans CNY	Jun. 30, 2012 China Loans USD ($)	Jun. 30, 2012 Letter of Credit [Member] CNY	Jan. 17, 2012 Letter of Credit [Member] USD ($)	Aug. 31, 2011 August Amendment Term Loan, varying interest rate
Long term debt
Debt Instrument, interest rate, stated percentage						6.25%		8.125%	8.125%				9.25%	9.25%	6.25%		7.875%
Capitalized financing costs															$ 6,200,000
Long term debt redemption price as percentage of principal amount										100.00%			100.00%			103.938%								100.00%
Long term debt redemption with net proceeds from equity offerings as percentage of principal amount		35.00%								35.00%
Long term debt redemption price with net proceeds from equity offerings as percentage of principal amount			106.25%								108.125%
Long term debt redemption price as percentage of principal amount, due to change in control		100.00%						101.00%					101.00%		101.00%
Long term debt redemption price due to sales of certain assets as percentage of principal amount								100.00%					100.00%		100.00%
Percentage of ownership in subsidiaries guaranteeing credit obligation								100.00%					100.00%		100.00%
Repurchase of debt																200,000,000
Debt Instrument, Redemption Premium																7,876,000
Debt Instrument, Accrued Interest																4,113,000
Gain (loss) on early extinguishment of debt		(15,464,000)	(4,185,000)	(2,932,000)												(15,464,000)
Other Debt
Repayment of debt																		426,000	12,500,000	166,000,000
Reduction of Letter of Credit																					28,200,000		1,000,000
Maximum revolving commitments							60,000,000
Remaining outstanding amount					28,023,000							559,730,000
Duration of Short Term Loan	1 year
Short-term Debt	50,000,000																					6,500,000