Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Fair value of the amount outstanding under the credit facility.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of the required periodic payment applied to principal.

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- Definition

The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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- Definition

The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral.

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Carrying value as of the balance sheet date of collateralized/uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Subordinated debt places a lender in a lien position behind the primary lender of the company.

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Number of Facilities

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No definition available.

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- Definition

Percentage Of Voting Capital Stock Pledged In Obligations

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No definition available.

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Long-Term Debt - Additional Information (Detail) (USD $)	0 Months Ended		3 Months Ended		6 Months Ended		0 Months Ended	1 Months Ended
	Dec. 15, 2014	Nov. 27, 2013	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014	Nov. 26, 2014	Jan. 31, 2014 Facility	Feb. 28, 2014	Jul. 31, 2014	Dec. 01, 2013
Debt Instrument [Line Items]
Term Loan frequency of payment			Quarterly
Term Loan, maturity date		Dec. 14, 2018
Credit facility, increase during continuance of a payment default	2.00%
Interest rate in effect on the facility			2.63%		2.63%
Repayment of the promissory notes principal amount					$ 16,250,000us-gaap_RepaymentsOfSubordinatedDebt
Promissory notes										18,000,000us-gaap_SubordinatedLongTermDebt
Gain on repayment of subordinated debt					1,750,000
Other income, net			4,376,000us-gaap_OtherNonoperatingIncomeExpense	418,000us-gaap_OtherNonoperatingIncomeExpense	4,717,000us-gaap_OtherNonoperatingIncomeExpense	398,000us-gaap_OtherNonoperatingIncomeExpense
Other Event
Debt Instrument [Line Items]
Credit facility, increase during continuance of a payment default	2.00%
Year One
Debt Instrument [Line Items]
Term Loan repayment percentage		5.00%
Year Two
Debt Instrument [Line Items]
Term Loan repayment percentage		10.00%
Year Three
Debt Instrument [Line Items]
Term Loan repayment percentage		10.00%
Year Four
Debt Instrument [Line Items]
Term Loan repayment percentage		15.00%
Year Five
Debt Instrument [Line Items]
Term Loan, final payment		15,000,000
Purchase Agreement
Debt Instrument [Line Items]
Original principal amount of promissory notes issued				20,000,000		20,000,000		20,000,000			20,000,000
Principal amount of promissory notes reduced			1,750,000	2,000,000	1,750,000	2,000,000		2,000,000	2,000,000
Number of facilities								2
Repayment of the promissory notes principal amount							16,250,000
Promissory notes							18,000,000
Gain on repayment of subordinated debt							1,750,000
Other income, net					900,000
Purchase Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate									10.00%
Maximum
Debt Instrument [Line Items]
Voting stock pledged, percentage		66.00%
Maximum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Senior Secured Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	25,000,000
Line of credit facility, outstanding amount	0	25,000,000