Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 321,955	$ 334,116
Cost of revenues	271,608	281,965
Selling, general and administrative	69,637	61,251
Interest expense	0	1,112
Total	341,245	344,328
Loss from operations	(19,290)	(10,212)
Other:
Income (loss) from unconsolidated entities	6,687	(11,002)
Interest and other	6,195	4,167
Loss before income tax benefit	(6,408)	(17,047)
Income tax benefit	(3,622)	(20,464)
Net (loss) income	$ (2,786)	$ 3,417
(Loss) income per share:
Basic	$ (0.02)	$ 0.02
Diluted	$ (0.02)	$ 0.02
Weighted average number of shares:
Basic	166,311	166,677
Diluted	166,311	168,121