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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
 3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Cash flows from operating activities:    
Net income (loss) $ (24,523) $ (11,308)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities (106,529) 17,083
Net cash provided by (used in) operating activities (131,052) 5,775
Net cash provided by (used in) investing activities 4 9,715
Net cash provided by (used in) financing activities 90,729 (50,569)
Net (decrease) in cash (40,319) (35,079)
Cash and cash equivalents balance, beginning of period 329,204 273,232
Cash and cash equivalents balance, end of period 288,885 238,153
Consolidation, Eliminations [Member]
    
Cash flows from operating activities:    
Net income (loss) 22,935 30,256
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities (22,935) (27,585)
Net cash provided by (used in) operating activities   2,671
Intercompany investing and financing activities – net   (2,671)
Parent Company [Member]
    
Cash flows from operating activities:    
Net income (loss) (24,523) (11,308)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities (3,110) 5,954
Net cash provided by (used in) operating activities (27,633) (5,354)
Intercompany investing and financing activities – net 27,633 5,354
Subsidiary Issuer [Member]
    
Cash flows from operating activities:    
Net income (loss) (21,937) (790,833)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities 1,280 768,380
Net cash provided by (used in) operating activities (20,657) (22,453)
Net cash provided by (used in) investing activities 215 259
Net cash provided by (used in) financing activities 144,328 (1,200)
Intercompany investing and financing activities – net (150,337) 10,018
Net (decrease) in cash (26,451) (13,376)
Cash and cash equivalents balance, beginning of period 243,470 197,097
Cash and cash equivalents balance, end of period 217,019 183,721
Guarantor Subsidiaries [Member]
    
Cash flows from operating activities:    
Net income (loss) (16,366) 752,130
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities (114,750) (761,062)
Net cash provided by (used in) operating activities (131,116) (8,932)
Net cash provided by (used in) investing activities (363) 5,722
Net cash provided by (used in) financing activities 10,772 9,225
Intercompany investing and financing activities – net 119,706 (9,728)
Net (decrease) in cash (1,001) (3,713)
Cash and cash equivalents balance, beginning of period (6,479) (2,017)
Cash and cash equivalents balance, end of period (7,480) (5,730)
Non-Guarantor Subsidiaries [Member]
    
Cash flows from operating activities:    
Net income (loss) 15,368 8,447
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities 32,986 31,396
Net cash provided by (used in) operating activities 48,354 39,843
Net cash provided by (used in) investing activities 152 3,734
Net cash provided by (used in) financing activities (64,371) (58,594)
Intercompany investing and financing activities – net 2,998 (2,973)
Net (decrease) in cash (12,867) (17,990)
Cash and cash equivalents balance, beginning of period 92,213 78,152
Cash and cash equivalents balance, end of period $ 79,346 $ 60,162