Long-Term and Other Debt (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Debt Instrument
Within 1 Year	$ 26,191
Within 2 Years	29,144
Within 3 Years	6,301
Within 4 Years	533,877
Within 5 Years	200,000
After 5 Years	600,000
Total	1,395,513
Unamortized discount	(4,846)
Total	1,390,667	1,396,690
Term Loan
Debt Instrument
Within 1 Year	6,280
Within 2 Years	19,580
Within 3 Years	6,280
Within 4 Years	533,870
Total	566,010
Unamortized discount	(379)
Total	565,631
2016 Notes
Debt Instrument
Within 5 Years	200,000
Total	200,000
Total	200,000	200,000
2018 Notes
Debt Instrument
After 5 Years	250,000
Total	250,000
Total	250,000	250,000
2019 Notes
Debt Instrument
After 5 Years	350,000
Total	350,000
Unamortized discount	(4,467)
Total	345,533	345,209
China Loans
Debt Instrument
Within 1 Year	18,758
Within 2 Years	9,498
Total	28,256
Total	28,256	27,079
Other
Debt Instrument
Within 1 Year	1,153
Within 2 Years	66
Within 3 Years	21
Within 4 Years	7
Total	$ 1,247