Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Revenues	$ 373,681	$ 319,675	$ 695,636	$ 653,791
Cost of revenues	306,821	276,354	578,429	558,319
Selling, general and administrative	68,256	67,050	137,893	128,301
Interest expense	0	392	0	1,504
Total	375,077	343,796	716,322	688,124
Loss from operations	(1,396)	(24,121)	(20,686)	(34,333)
Other:
Income (loss) from unconsolidated entities	6,989	(11,343)	13,676	(22,345)
Other income - net	10,056	3,980	16,251	8,147
Income (loss) before income tax benefit	15,649	(31,484)	9,241	(48,531)
Income tax benefit	(1,223)	(10,711)	(4,845)	(31,175)
Net income (loss)	$ 16,872	$ (20,773)	$ 14,086	$ (17,356)
Income (loss) per share:
Basic	$ 0.10	$ (0.12)	$ 0.08	$ (0.10)
Diluted	$ 0.10	$ (0.12)	$ 0.08	$ (0.10)
Weighted average number of shares:
Basic	166,994	166,910	166,652	166,794
Diluted	168,535	166,910	167,821	166,794