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Long-Term Debt and Notes Payable - Additional Information (Detail) (Credit Agreement [Member], USD $) | 0 Months Ended
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Jan. 31, 2014 | Aug. 02, 2013 | Jan. 31, 2014 Maximum [Member] | Jan. 31, 2014 Minimum [Member] | Jan. 31, 2014 Base Rate [Member] | Jan. 31, 2014 Eurodollar [Member] | Jan. 31, 2014 Predecessor [Member] Revolving Credit Facility [Member] | Jan. 31, 2013 Predecessor [Member] Revolving Credit Facility [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing amount on a revolving basis |  | $ 50,000,000 |  |  |  |  |  |
Revolving credit facility expiration period |  | 3 years |  |  |  |  |  |
Line of credit agreement collateralized by percentage of own capital stock |  | 65.00% |  |  |  |  |  |
Credit Agreement basis points |  |  |  |  | 1.50% | 2.50% |  |
Commitment fee on the unused portion of the Credit Agreement |  |  | 0.50% | 0.375% |  |  |  |
Available borrowings under the revolving credit facility to secure letters of credit |  |  | 10,000,000 |  |  |  |  |
Leverage Ratio | 2.00 |  |  |  |  |  |  |
Fixed Charge Coverage Ratio | 1.25 |  |  |  |  |  |  |
Adjusted EBITDA | 22,000,000 |  |  |  |  |  |  |
Capital Expenditures to Adjusted EBITDA | 1.0 |  |  |  |  |  |  |
Additional indebtedness | 5,000,000 |  |  |  |  |  |  |
Average borrowing rate on credit agreement | 2.67% |  |  |  |  |  |  |
Average borrowings under the revolving credit facility |  |  |  |  |  |  | $ 4,982,000 | $ 13,046,000

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- Definition Line of credit agreement collateralized by percentage of own capital stock. + References No definition available. + Details
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- Definition Maximum amount of indebtedness restricted under credit agreement. + References No definition available. + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for financing purchases of goods acquired for inventory or imminent delivery to a customer. + References No definition available. + Details
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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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