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Note 23 - Unaudited Summarized Consolidated Quarterly Information (Detail) - Quarterly Financial Information - Prior Period (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2011
Jul. 31, 2011
Apr. 30, 2011
Jan. 31, 2011
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2009
Revenues $ 487,045 $ 387,011 $ 341,698 $ 269,599 $ 341,625 $ 285,618 $ 255,097 $ 252,567 $ 1,485,353 $ 1,134,907 $ 1,371,842  
Expenses 481,996 395,221 364,678 308,511 387,604 326,121 306,978 302,613 1,562,936 1,425,065 1,693,127  
Inventory impairment loss and land option write-offs 5,300 689 3,216 3,325 59,873 11,426 16,925 13,525 12,530 101,749 135,699  
Gain (loss) on extinguishment of debt (87,033) 6,230 27,039 24,698 10,563 (1,391) (1,644)   (29,066) 7,528 25,047 41,300
Loss from unconsolidated joint ventures 3,077 852 1,495 (23) (2,479) (2,255) (3,232) (992) 5,401 (8,958) 956  
Loss before income taxes (84,207) (1,817) 2,338 (17,562) (97,768) (55,575) (73,682) (64,563) (101,248) (291,588) (295,282)  
State and federal income tax provision (benefit) 203 (36,493) 536 703 580 (4,645) (1,015) (421) (35,051) (5,501) (297,870)  
Net loss $ (84,410) $ 34,676 $ 1,802 $ (18,265) $ (98,348) $ (50,930) $ (72,667) $ (64,142) $ (66,197) $ (286,087) $ 2,588  
Basic:                        
Loss per common share (in Dollars per share) $ (0.59) $ 0.25 $ 0.02 $ (0.17) $ (0.90) $ (0.47) $ (0.69) $ (0.82) $ (0.52) $ (2.85) $ 0.03  
Weighted-average number of common shares outstanding (in Shares) 142,249 138,552 116,117 108,735 108,740 108,721 105,894 78,598 126,350 100,444 78,691  
Assuming dilution: Loss per common share (in Dollars per share) $ (0.59) $ 0.25 $ 0.02 $ (0.17) $ (0.90) $ (0.47) $ (0.69) $ (0.82) $ (0.52) $ (2.85) $ 0.03  
Weighted-average number of common shares outstanding (in Shares) 142,249 138,472 116,021 108,735 108,740 108,721 105,894 78,598 126,350 100,444 79,683