Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended	9 Months Ended
Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenue	$ 394,305	$ 454,202	$ 1,048,096	$ 1,092,171
Cost of revenues	339,947	389,505	898,266	1,012,575
Selling, general and administrative	64,605	67,165	192,906	193,987
Interest expense		5,124	1,504	18,588
Total	404,552	461,794	1,092,676	1,225,150
Loss from operations	(10,247)	(7,592)	(44,580)	(132,979)
Other:
(Loss) income from unconsolidated entities and non-performing loan portfolio	12,055	3,171	(9,817)	4,817
Interest and other	5,494	5,902	13,168	21,134
Expenses related to early retirement of debt	(3,414)	(658)	(3,414)	(692)
(Loss) income before income tax benefit	3,888	823	(44,643)	(107,720)
Income tax benefit	(38,220)	(26,479)	(69,395)	(53,867)
Net income (loss)	$ 42,108	$ 27,302	$ 24,752	$ (53,853)
Income (loss) per share:
Basic	$ 0.25	$ 0.16	$ 0.15	$ (0.33)
Diluted	$ 0.25	$ 0.16	$ 0.15	$ (0.33)
Weighted average number of shares:
Basic	168,075	165,752	167,221	165,465
Diluted	169,338	167,658	168,666	165,465

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