Fair Value Measurements	12 Months Ended
Fair Value Measurements	Jan. 31, 2015
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The carrying amounts of other financial instruments reported on the balance sheet for current assets and current liabilities, excluding our short-term borrowings consisting of amounts outstanding under the Credit Facility as discussed below, approximate their fair values because of the short maturity of these instruments. At January 31, 2015, there was $9.8 million outstanding under the Credit Facility (excluding the face amount of letters of credit issued under the Amended and Restated Credit Agreement), $12.0 million under the PGP Florence commercial real estate debt, $5.0 million under the PGP Gardendale commercial real estate debt, $3.1 million under the PGP Fayetteville commercial real estate debt, $0.5 million related party debt and $3.7 million outstanding under the Bond. Fair value approximates the carrying amount for the Credit Facility, the related party debt and the Bond, as the variable interest rates re-price frequently at observable current market rates, and as such their fair values are categorized as Level 2 (quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar instruments in markets that are not active) within the fair value hierarchy. The PGP Florence commercial real estate debt, the PGP Gardendale commercial real estate debt and the PGP Fayetteville commercial real estate debt had estimated fair values of $12.0 million , $4.9 million and $3.3 million, respectively, at January 31, 2015. These estimated fair values are based on similar transactions and yields in an active market for similarly rated debt, thus categorized as a Level 2 within the fair value hierarchy.

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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