Note 23 (Details) - Condensed Consolidating Financial Statements - Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	$ (1,524)	$ 18,213
Net cash provided by (used in) operating activities	(47,397)	(62,075)
Net cash provided by (used in) investing activities	18,776	(1,910)
Net cash provided by (used in) financing activities	(17,353)	47,215
Net increase (decrease) in cash	(45,974)	(16,770)
Cash and cash equivalents balance, beginning of period	273,232	250,740
Cash and cash equivalents balance, end of period	227,258	233,970
Consolidation, Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	8,318	13,921
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	(8,318)	(13,921)
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	(1,524)	18,213
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	20,418	31,198
Net cash provided by (used in) operating activities	18,894	49,411
Net cash provided by (used in) investing activities
Net cash provided by (used in) financing activities		47,147
Intercompany investing and financing activities – net	(18,894)	(96,558)
Net increase (decrease) in cash
Cash and cash equivalents balance, beginning of period
Subsidiary Issuer [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	(832,711)	(10,144)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	789,831	4,286
Net cash provided by (used in) operating activities	(42,880)	(5,858)
Net cash provided by (used in) investing activities	298	26
Net cash provided by (used in) financing activities	(5,460)	(94,309)
Intercompany investing and financing activities – net	6,404	112,651
Net increase (decrease) in cash	(41,638)	12,510
Cash and cash equivalents balance, beginning of period	197,097	112,122
Cash and cash equivalents balance, end of period	155,459	124,632
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	776,613	(22,827)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	(842,439)	(23,386)
Net cash provided by (used in) operating activities	(65,826)	(46,213)
Net cash provided by (used in) investing activities	12,357	(2,178)
Net cash provided by (used in) financing activities	48,090	50,954
Intercompany investing and financing activities – net	1,009	2,841
Net increase (decrease) in cash	(4,370)	5,404
Cash and cash equivalents balance, beginning of period	(2,017)	(4,989)
Cash and cash equivalents balance, end of period	(6,387)	415
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	47,780	19,050
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	(5,365)	(78,465)
Net cash provided by (used in) operating activities	42,415	(59,415)
Net cash provided by (used in) investing activities	6,121	242
Net cash provided by (used in) financing activities	(59,983)	43,423
Intercompany investing and financing activities – net	11,481	(18,934)
Net increase (decrease) in cash	34	(34,684)
Cash and cash equivalents balance, beginning of period	78,152	143,607
Cash and cash equivalents balance, end of period	78,186	108,923
Consolidated Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss)	(1,524)	18,213
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities	(45,873)	(80,288)
Net cash provided by (used in) operating activities	(47,397)	(62,075)
Net cash provided by (used in) investing activities	18,776	(1,910)
Net cash provided by (used in) financing activities	(17,353)	47,215
Net increase (decrease) in cash	(45,974)	(16,770)
Cash and cash equivalents balance, beginning of period	273,232	250,740
Cash and cash equivalents balance, end of period	$ 227,258	$ 233,970