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Note 23 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) - Condensed Consolidating Financial Statements - Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) $ 31,295 $ (66,197) $ (286,087)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities (22,027) (801) 78,672
Net cash provided by (used in) operating activities 9,268 (66,998) (207,415)
Net cash provided by (used in) investing activities 30,285 (1,500) 1,195
Net cash provided by (used in) financing activities 16,419 90,990 89,780
Net increase (decrease) in cash 55,972 22,492 (116,440)
Cash and cash equivalents balance, beginning of year 273,232 250,740 367,180
Cash and cash equivalents balance, end of year 329,204 273,232 250,740
Consolidation, Eliminations [Member]
      
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) (37,547) 75,646 307,152
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities 37,547 (75,646) (307,152)
Net increase (decrease) in cash 0    
Parent Company [Member]
      
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) 31,295 (66,197) (286,087)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities 29,653 37,030 93,926
Net cash provided by (used in) operating activities 60,948 (29,167) (192,161)
Net cash provided by (used in) financing activities   47,221 54,899
Intercompany investing and financing activities – net (60,948) (18,054) 137,252
Net increase (decrease) in cash 0   (10)
Cash and cash equivalents balance, beginning of year     10
Subsidiary Issuer [Member]
      
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) (824,213) (82,349) (35,054)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities 797,892 53,114 (42,459)
Net cash provided by (used in) operating activities (26,321) (29,235) (77,513)
Net cash provided by (used in) investing activities 235 146  
Net cash provided by (used in) financing activities (6,139) (79,976) 56,428
Intercompany investing and financing activities – net 78,598 194,040 (79,163)
Net increase (decrease) in cash 46,373 84,975 (100,248)
Cash and cash equivalents balance, beginning of year 197,097 112,122 212,370
Cash and cash equivalents balance, end of year 243,470 197,097 112,122
Guarantor Subsidiaries [Member]
      
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) 822,012 (14,450) (277,179)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities (875,287) 124,875 352,320
Net cash provided by (used in) operating activities (53,275) 110,425 75,141
Net cash provided by (used in) investing activities 11,819 (3,260) (223)
Net cash provided by (used in) financing activities 52,914 49,670 2,367
Intercompany investing and financing activities – net (15,920) (153,863) (69,462)
Net increase (decrease) in cash (4,462) 2,972 7,823
Cash and cash equivalents balance, beginning of year (2,017) (4,989) (12,812)
Cash and cash equivalents balance, end of year (6,479) (2,017) (4,989)
Non-Guarantor Subsidiaries [Member]
      
Condensed Cash Flow Statements, Captions [Line Items]      
Net income (loss) 39,748 21,153 5,081
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities (11,832) (140,174) (17,963)
Net cash provided by (used in) operating activities 27,916 (119,021) (12,882)
Net cash provided by (used in) investing activities 18,231 1,614 1,418
Net cash provided by (used in) financing activities (30,356) 74,075 (23,914)
Intercompany investing and financing activities – net (1,730) (22,123) 11,373
Net increase (decrease) in cash 14,061 (65,455) (24,005)
Cash and cash equivalents balance, beginning of year 78,152 143,607 167,612
Cash and cash equivalents balance, end of year $ 92,213 $ 78,152 $ 143,607