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Schedule I - CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY (Detail)	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Long-term Debt, Maturities, Repayment Terms	range up to 5 years
Parent Company [Member]
Debt Instrument, Interest Rate, Stated Percentage	8.40%	8.40%
Long-term Debt, Maturities, Repayment Terms	range up to 3 years

Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis.

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