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Consolidated Condensed Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Cash flows from operating activities:    
Net (loss) income $ (9,313) $ 11,497
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 61,980 58,008
Cost of real estate sales 16,385 149,384
Stock-based compensation expense 6,820 6,437
Deferred income taxes, net (6,644) 6,095
Other non-cash income, net (2,875) (4,112)
Changes in assets and liabilities:    
Restricted cash (3,783) (3,886)
Trade receivables, net 9,919 2,225
Inventories, net (8,622) (4,473)
Investments in real estate (1,850) (11,248)
Accounts payable and accrued liabilities 75,225 69,984
Deferred real estate deposits (127) (30,248)
Other assets and liabilities, net 274 (5,958)
Net cash provided by operating activities 137,389 243,705
Cash flows from investing activities:    
Capital expenditures (93,186) (61,887)
Acquisition of business 342 (60,528)
Other investing activities, net (904) (256)
Net cash used in investing activities (93,748) (122,671)
Cash flows from financing activities:    
Proceeds from borrowings under long-term debt 56,000 189,000
Payments of long-term debt (56,383) (226,067)
Repurchases of common stock (7,869)  
Dividends paid (10,801)  
Other financing activities, net 911 (1,461)
Net cash used in financing activities (18,142) (38,528)
Net increase in cash and cash equivalents 25,499 82,506
Cash and cash equivalents:    
Beginning of period 70,143 14,745
End of period $ 95,642 $ 97,251