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CONTINGENCIES (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2013 | Jan. 31, 2012
Number of Former Partnerships in Which Ownership Interest Sold | 3 |
Proceeds from Sale of Interest in Partnership Unit | $ 4,700,000 |
Loss Contingency Accrual, at Carrying Value | $ 0 | $ 0

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