Debt Instrument Amortization of Principal Percentage Year Five

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- Definition

Debt Instrument Amortization of Principal Percentage Year Four

+ References

No definition available.

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- Definition

Debt Instrument Amortization Of Principal Percentage Year One

+ References

No definition available.

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- Definition

Debt Instrument Amortization Of Principal Percentage Year Three

+ References

No definition available.

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- Definition

Debt Instrument Amortization Of Principal Percentage Year Two

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No definition available.

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- Definition

The minimum amount of Domestic Liquidity must maintain in order to be in compliance with the debt covenant.

+ References

No definition available.

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- Definition

Pro forma leverage ratio.

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No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The average effective interest rate during the reporting period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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- Definition

Date the credit facility first became available, in CCYY-MM-DD format.

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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.

+ References

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Long-Term Debt - Additional Information (Detail)		3 Months Ended
Long-Term Debt - Additional Information (Detail)	Jun. 15, 2016 USD ($)	Jul. 31, 2018 USD ($)	Jul. 31, 2017 USD ($)	Apr. 30, 2018 USD ($)
Debt Instrument [Line Items]
Principal payment on term loan facility		$ 5,156,000	$ 5,156,000
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility borrowings		0		$ 0
Line of credit facility, remaining borrowing capacity		122,100,000
Standby Letters of Credit
Debt Instrument [Line Items]
Long-term debt arrangement		2,900,000		2,900,000
Standby Letters of Credit \| Other Financial Institutions
Debt Instrument [Line Items]
Long-term debt arrangement		7,900,000		7,400,000
Credit Agreement
Debt Instrument [Line Items]
Credit agreement initiation date	Jun. 15, 2016
Line of credit facility, maximum borrowing capacity	$ 400,000,000
Line of credit facility borrowings	275,000,000
Principal payment on term loan facility	$ 140,000,000
Unamortized debt issuance costs		$ 2,400,000		2,700,000
Credit Agreement \| Maximum
Debt Instrument [Line Items]
Pro forma leverage ratio	2.50
Credit Agreement \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Applicable margin on variable interest rate		2.00%
Credit Agreement \| Maximum \| Base Rate Loans
Debt Instrument [Line Items]
Applicable margin on variable interest rate		1.00%
Credit Agreement \| Minimum
Debt Instrument [Line Items]
Pro forma domestic liquidity	$ 50,000,000
Credit Agreement \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Applicable margin on variable interest rate		1.25%
Credit Agreement \| Minimum \| Base Rate Loans
Debt Instrument [Line Items]
Applicable margin on variable interest rate		0.25%
Credit Agreement \| Term Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 275,000,000
Term loan amortization percentage year one	7.50%
Term loan amortization percentage year two	7.50%
Term loan amortization percentage year three	10.00%
Term loan amortization percentage year four	10.00%
Term loan amortization percentage year five	10.00%
Principal payment on term loan facility		$ 5,200,000
Average interest rate		3.24%	2.34%
Line of credit facility, maturity date		Jun. 15, 2021
Long-term debt		$ 233,700,000		$ 238,900,000
Credit Agreement \| Term Facility \| Maximum
Debt Instrument [Line Items]
Quarterly fee on average daily unused amount of Credit Facilities		0.35%
Credit Agreement \| Term Facility \| Minimum
Debt Instrument [Line Items]
Quarterly fee on average daily unused amount of Credit Facilities		0.20%
Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 125,000,000
Line of credit facility, maturity date		Jun. 15, 2021