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Consolidated Condensed Balance Sheets (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2011
Jan. 31, 2011
Assets    
Cash and cash equivalents $ 86,768 $ 91,019
Accounts receivable 7,301 9,619
Inventory 10,085 7,819
Refundable income taxes 1,250 8,503
Prepaid expenses and other 2,266 3,055
Deferred taxes, net 1,090 5,834
Total current assets 108,760 125,849
Property and equipment, net 158,856 169,811
Other assets 4,235 5,907
Deferred taxes, net 2,421 5,206
Equity method investments 80,755 67,349
Restricted investments and deposits 1,600 1,600
Total assets 356,627 375,722
Current liabilities:    
Accounts payable, trade 1,246 2,557
Deferred income 2,252 3,982
Accrued real estate taxes 2,132 2,393
Accrued payroll and related items 1,637 829
Derivative financial instruments 1,740 1,835
Other current liabilities 4,415 2,957
Total current liabilities 24,505 24,567
Long-term liabilities:    
Deferred income 873 2,416
Derivative financial instruments 3,045 3,688
Other 2,826 4,114
Total long-term liabilities 68,488 81,191
REX shareholders’ equity:    
Common stock 299 299
Paid-in capital 142,379 142,293
Retained earnings 309,534 296,053
Treasury stock (214,057) (193,713)
Total REX shareholders’ equity 238,155 244,932
Noncontrolling interests 25,479 25,032
Total equity 263,634 269,964
Total liabilities and equity 356,627 375,722
Alternative Energy Segment [Member]
    
Current liabilities:    
Current portion of long-term debt 10,741 9,672
Long-term liabilities:    
Long-term debt 60,955 69,049
Corporate and Other Segment [Member]
    
Current liabilities:    
Current portion of long-term debt 342 342
Long-term liabilities:    
Long-term debt $ 789 $ 1,924