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Note 24 - Unaudited Summarized Consolidated Quarterly Information (Details) - Quarterly Financial Information (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Oct. 31, 2013
Jul. 31, 2013
Apr. 30, 2013
Jan. 31, 2013
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2009
Quarterly Financial Information [Abstract]                        
Revenues $ 591,687 $ 478,357 $ 422,998 $ 358,211 $ 487,045 $ 387,011 $ 341,698 $ 269,599 $ 1,851,253 $ 1,485,353 $ 1,134,907  
Expenses 561,061 471,036 422,899 380,637 481,996 395,221 364,678 308,511 1,840,598 1,562,936 1,425,065  
Inventory impairment loss and land option write-offs 1,486 623 2,191 665 5,300 689 3,216 3,325 4,965 12,530 101,749  
(Loss) on extinguishment of debt (760)       (87,033) 6,230 27,039 24,698 (760) (29,066) 7,528 41,300
Income from unconsolidated joint ventures 5,234 3,690 827 2,289 3,077 852 1,495 (23) 12,040 5,401 (8,958)  
Income (loss) before income taxes 33,614 10,388 (1,265) (20,802) (84,207) (1,817) 2,338 (17,562) 21,935 (101,248) (291,588)  
State and federal income tax provision (benefit) 795 1,922 (2,583) (9,494) 203 (36,493) 536 703 (9,360) (35,051) (5,501)  
Net income (loss) $ 32,819 $ 8,466 $ 1,318 $ (11,308) $ (84,410) $ 34,676 $ 1,802 $ (18,265) $ 31,295 $ (66,197) $ (286,087)  
Basic:                        
Income (loss) per common share (in Dollars per share) $ 0.22 $ 0.06 $ 0.01 $ (0.08) $ (0.59) $ 0.25 $ 0.02 $ (0.17) $ 0.22 $ (0.52) $ (2.85)  
Weighted-average number of common shares outstanding (in Shares) 145,821,000 146,056,000 145,948,000 141,725,000 142,249,000 138,472,000 116,021,000 108,735,000 145,087 126,350 100,444  
Assuming dilution:                        
Income (loss) per common share (in Dollars per share) $ 0.21 $ 0.06 $ 0.01 $ (0.08) $ (0.59) $ 0.25 $ 0.02 $ (0.17) $ 0.22 $ (0.52) $ (2.85)  
Weighted-average number of common shares outstanding (in Shares) 162,100,000 162,823,000 147,231,000 141,725,000 142,249,000 138,552,000 116,117,000 108,735,000 162,329 126,350 100,444