Note 22 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Detail) - Consolidating Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Net income (loss)	$ (66,197)	$ (286,087)	$ 2,588
Adjustments to reconcile net income to net cash (used in) provided by operating activities	(801)	78,672	29,899
Net cash (used in) provided by operating activities	(66,998)	(207,415)	32,487
Net cash (used in) provided by investing activities	(1,500)	1,195	(16)
Net cash (used in) provided by financing activities	90,990	89,780	(91,983)
Net (decrease) increase in cash	22,492	(116,440)	(59,512)
Cash and cash equivalents balance, beginning of year	250,740	367,180	426,692
Cash and cash equivalents balance, end of year	273,232	250,740	367,180
Parent Company [Member]
Net income (loss)	(66,197)	(286,087)	2,588
Adjustments to reconcile net income to net cash (used in) provided by operating activities	37,030	93,926	(24,192)
Net cash (used in) provided by operating activities	(29,167)	(192,161)	(21,604)
Net cash (used in) provided by financing activities	47,221	54,899
Intercompany investing and financing activities - net	(18,054)	137,252	21,604
Net (decrease) increase in cash		(10)
Cash and cash equivalents balance, beginning of year		10	10
Cash and cash equivalents balance, end of year			10
Subsidiary Issuer [Member]
Net income (loss)	(80,828)	(43,072)	(20,629)
Adjustments to reconcile net income to net cash (used in) provided by operating activities	51,593	(34,441)	47,439
Net cash (used in) provided by operating activities	(29,235)	(77,513)	26,810
Net cash (used in) provided by investing activities	146
Net cash (used in) provided by financing activities	(79,976)	56,428	(113,232)
Intercompany investing and financing activities - net	194,040	(79,163)	6,385
Net (decrease) increase in cash	84,975	(100,248)	(80,037)
Cash and cash equivalents balance, beginning of year	112,122	212,370	292,407
Cash and cash equivalents balance, end of year	197,097	112,122	212,370
Guarantor Subsidiaries [Member]
Net income (loss)	(35,603)	(282,260)	(335,114)
Adjustments to reconcile net income to net cash (used in) provided by operating activities	146,028	357,401	151,814
Net cash (used in) provided by operating activities	110,425	75,141	(183,300)
Net cash (used in) provided by investing activities	(3,260)	(223)	(1,146)
Net cash (used in) provided by financing activities	49,670	2,367	3,463
Intercompany investing and financing activities - net	(153,863)	(69,462)	183,755
Net (decrease) increase in cash	2,972	7,823	2,772
Cash and cash equivalents balance, beginning of year	(4,989)	(12,812)	(15,584)
Cash and cash equivalents balance, end of year	(2,017)	(4,989)	(12,812)
Non-Guarantor Subsidiaries [Member]
Net income (loss)	21,153	5,081	25,070
Adjustments to reconcile net income to net cash (used in) provided by operating activities	(140,174)	(17,963)	185,511
Net cash (used in) provided by operating activities	(119,021)	(12,882)	210,581
Net cash (used in) provided by investing activities	1,614	1,418	1,130
Net cash (used in) provided by financing activities	74,075	(23,914)	17,786
Intercompany investing and financing activities - net	(22,123)	11,373	(211,744)
Net (decrease) increase in cash	(65,455)	(24,005)	17,753
Cash and cash equivalents balance, beginning of year	143,607	167,612	149,859
Cash and cash equivalents balance, end of year	78,152	143,607	167,612
Consolidation, Eliminations [Member]
Net income (loss)	95,278	320,251	330,673
Adjustments to reconcile net income to net cash (used in) provided by operating activities	$ (95,278)	$ (320,251)	$ (330,673)