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Operating Segments to the corresponding amounts in Balance Sheets (Detail) (USD $)
Jun. 30, 2012
Jun. 30, 2011
Operating Segments to the corresponding amounts in Balance Sheets    
Segment assets $ 960,110 $ 1,070,137
Investments in real estate partnerships 7,437 12,138
Other assets and receivables 190,369 186,456
Assets held for sale 2,329 132,620
Total assets. $ 1,160,245 $ 1,401,351