Supplemental Balance Sheet Income Statement and Cash Flow Information (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Accrued liabilities
Accrued compensation	$ 147,122	$ 116,680
Deferred revenue	131,695	88,389
Other taxes payable	67,222	25,227
Workers' compensation liabilities	21,489	31,944
Interest payable	39,456	89,276
Due to joint venture partners	6,041	6,030
Warranty accrual	4,422	3,376
Litigation reserves	24,513	12,301
Professional fees	5,567	3,222
Current deferred tax liability	0	1,027
Other accrued liabilities	12,416	16,820
Accrued liabilities	$ 459,943	$ 394,292