Long-Term Debt (Details) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended														0 Months Ended									9 Months Ended		3 Months Ended					1 Months Ended							9 Months Ended
	Sep. 30, 2012 USD ($)	Jun. 30, 2012 CNY	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	May 02, 2012 CNY	Dec. 31, 2011 USD ($)	Sep. 30, 2012 Revolving Credit Facility [Member] USD ($)	Dec. 31, 2011 Revolving Credit Facility [Member] USD ($)	Sep. 30, 2012 Senior Secured Term Loan Credit Facility, due 2013 USD ($)		Dec. 31, 2011 Senior Secured Term Loan Credit Facility, due 2013 USD ($)		Sep. 30, 2012 Senior Secured Term Loan Credit Facility, due 2015 USD ($)		Dec. 31, 2011 Senior Secured Term Loan Credit Facility, due 2015 USD ($)		Sep. 19, 2012 7.875% senior subordinated notes due 2016 USD ($)	Sep. 30, 2012 7.875% senior subordinated notes due 2016 USD ($)	Dec. 31, 2011 7.875% senior subordinated notes due 2016 USD ($)	Sep. 30, 2012 8.125% senior subordinated notes due 2018 USD ($)	Dec. 31, 2011 8.125% senior subordinated notes due 2018 USD ($)	Sep. 30, 2012 9.25% senior subordinated notes due 2019 USD ($)		Dec. 31, 2011 9.25% senior subordinated notes due 2019 USD ($)		Sep. 30, 2012 6.250% senior subordinated notes due 2020 USD ($)	Dec. 31, 2011 6.250% senior subordinated notes due 2020 USD ($)	Jun. 30, 2012 China Loans CNY	Mar. 31, 2012 China Loans CNY	Sep. 30, 2012 China Loans USD ($)	Jun. 30, 2012 China Loans USD ($)	Dec. 31, 2011 China Loans USD ($)	Feb. 21, 2012 Secured senior term loan and revolving credit facility USD ($)	Sep. 30, 2012 Secured senior term loan and revolving credit facility USD ($)	Sep. 30, 2012 Senior secured revolving credit facility USD ($)	Sep. 30, 2012 Senior secured term loan credit facility USD ($)	Dec. 31, 2011 Senior secured term loan credit facility USD ($)	Jun. 30, 2012 Letter of Credit CNY	Jan. 17, 2012 Letter of Credit USD ($)	Sep. 30, 2012 Prior to September 15, 2015 6.250% senior subordinated notes due 2020	Sep. 30, 2012 Subsequent to September 1, 2015 6.250% senior subordinated notes due 2020	Sep. 30, 2012 Prior to August 20, 2013 6.250% senior subordinated notes due 2020	Sep. 30, 2012 Minimum 6.250% senior subordinated notes due 2020	Sep. 30, 2012 Maximum Prior to August 20, 2013 6.250% senior subordinated notes due 2020
Debt Instrument
Long-term Debt and Capital Lease Obligations Current and Non-current	$ 1,469,066			$ 1,469,066			$ 1,390,667	$ 0	$ 0	$ 0	[1]	$ 13,300	[1]	$ 561,122	[1]	$ 552,331	[1]		$ 0	$ 200,000	$ 250,000	$ 250,000	$ 345,811	[2]	$ 345,533	[2]	$ 300,000	$ 0			$ 12,133		$ 29,503
Debt Instrument, Unamortized Discount																							4,189		4,467												178	379
Line of Credit Facility, Maximum Borrowing Capacity						60,000																													250,000
Line of Credit Facility, Amount Outstanding	25,446			25,446																																	561,122
Letters of Credit Outstanding, Amount																																				39,671
Amount available under credit facility																																				210,329
Debt Instrument Refinanced Amount																																		16,400
Debt Instrument, Consent Fees																																		57
Debt Instrument, interest rate, stated percentage																											6.25%
Long-term Debt, Redemption Price as Percentage of Principal Amount																		103.938%																							100.00%	106.25%
Extinguishment of Debt, Amount																		200,000
Loss on early extinguishment of debt	15,464		4,185	15,464	4,185													15,464
Debt Instrument, Redemption Premium																		7,876
Debt Instrument, Accrued Interest																		4,113
Debt Instrument, Percentage Held by Trustee																																												25.00%
Debt Instrument, Extension Period																																											90 days
Debt Instrument Increase in Annual Interest Rate																																											0.25%		1.00%
Debt Instrument, Percentage of Outstanding Aggregate Principal Amount																											35.00%
Redeemed aggregate principal amount																													166,000	12,500
Reduction of Letter of Credit																																28,200								1,000
Short-term Debt		50,000																																					6,500
Duration of Short Term Loan		1 year

[1] Net of unamortized discount of $178 as of September 30, 2012 and $379 as of December 31, 2011.

[2] Net of unamortized discount of $4,189 as of September 30, 2012 and $4,467 as of December 31, 2011.