Maximum outstanding capacity for issuance of letters of credit under the credit facility.

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

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

+ References

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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

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

+ References

No definition available.

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
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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

+ Details

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- Definition

Amount of the required periodic payments of both interest and principal.

+ References

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Balance Type:	debit
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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

+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-Paragraph 1
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Long-term Debt and Other Credit Arrangements - Additional Information (Detail) - USD ($)	12 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	May 06, 2013
Debt Instrument [Line Items]
Loan agreement			$ 20,000,000
Letters of credit	$ 6,500,000	$ 6,500,000
Unused and available credit facility	5,300,000
Interest Rate Swap Derivatives
Debt Instrument [Line Items]
Fair value of interest rate swap derivatives	1,000	5,000
Bank Guarantees \| Letter of Credit
Debt Instrument [Line Items]
Credit facility outstanding	5,000,000
Expiration Date 2020 \| Bank Guarantees
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers	2,337,000
Expiration Date 2021 \| Bank Guarantees
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers	49,000
Expiration Date 2022 \| Bank Guarantees
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers	75,000
Expiration Date 2023 \| Bank Guarantees
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers	60,000
Term Loan A
Debt Instrument [Line Items]
Credit facility outstanding			3,450,000
Periodic payments	$ 79,000
Fixed rate percentage	4.37%
Term Loan B
Debt Instrument [Line Items]
Credit facility outstanding			$ 1,550,000
Periodic payments	$ 18,000
Term Loan B \| November 3, 2014 Debt Instrument
Debt Instrument [Line Items]
Fixed rate percentage	3.07%
Term Loan B \| Expiration Date 2019
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers		1,625,000
Term Loan B \| Expiration Date 2020
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers		21,000
Term Loan B \| Expiration Date 2021
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers		1,000
Term Loan B \| Expiration Date 2022
Debt Instrument [Line Items]
Bank Guarantees outstanding to customers		63,000
Advance Amount One
Debt Instrument [Line Items]
Credit facility outstanding	$ 9,500,000	3,800,000
Advance Amount Two
Debt Instrument [Line Items]
Credit facility outstanding	$ 5,200,000	$ 5,200,000
Advances
Debt Instrument [Line Items]
Interest rate at period end	4.00%	3.50%
Line of Credit
Debt Instrument [Line Items]
Debt, variable interest rate	1.50%
Secured Debt
Debt Instrument [Line Items]
Principal payment for the year 2020	$ 1,167,000
Principal payment for the year 2021	$ 97,000