Represents the reference rate used to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Represents the maximum additional borrowing capacity available at the entity's option under the revolving credit facility, subject to the satisfaction of certain conditions precedent.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of shares of the foreign subsidiaries of the entity pledged as security under the credit agreement terms.

+ References

No definition available.

+ Details

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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

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

Period of time between issuance and maturity of debt instrument, 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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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Period Type:	instant

- 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.

+ Details

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

+ Details

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Financing Arrangements (Details) - USD ($)		1 Months Ended	9 Months Ended
Financing Arrangements (Details) - USD ($)	Mar. 04, 2014	Jun. 08, 2017	Apr. 30, 2017	Apr. 30, 2016
Financing Arrangements
Repayment of borrowings under credit agreement			$ 45,000,000	$ 43,000,000
Credit Agreement
Financing Arrangements
Maximum borrowing capacity	$ 250,000,000
Debt issuance costs	1,318,000
Fees on unused portion of credit facilities (as a percent)			0.20%
Shares of foreign subsidiaries pledged as security (as a percent)			65.00%
Outstanding borrowings			$ 145,000,000
Credit Agreement \| Subsequent Event
Financing Arrangements
Outstanding borrowings		$ 139,000,000
Repayment of borrowings under credit agreement		$ 6,000,000
Credit Agreement \| Minimum
Financing Arrangements
Fees on unused portion of credit facilities (as a percent)			0.20%
Credit Agreement \| Maximum
Financing Arrangements
Fees on unused portion of credit facilities (as a percent)			0.40%
Credit Agreement \| Lender's base rate
Financing Arrangements
Margin on reference rate (as a percent)			0.25%
Reference rate (as a percent)			4.00%
Credit Agreement \| Lender's base rate \| Minimum
Financing Arrangements
Margin on reference rate (as a percent)			0.25%
Credit Agreement \| Lender's base rate \| Maximum
Financing Arrangements
Margin on reference rate (as a percent)			1.25%
Credit Agreement \| LIBOR
Financing Arrangements
Margin on reference rate (as a percent)			1.25%
Credit Agreement \| LIBOR \| Minimum
Financing Arrangements
Margin on reference rate (as a percent)			1.25%
Reference rate (as a percent)			0.99%
Credit Agreement \| LIBOR \| Maximum
Financing Arrangements
Margin on reference rate (as a percent)			2.25%
Reference rate (as a percent)			1.33%
Revolving Credit Facility
Financing Arrangements
Maximum borrowing capacity	$ 250,000,000
Term of line of credit facility	5 years
Maximum additional borrowing capacity available at the entity's option	$ 100,000,000
Unamortized debt issuance costs	512,000
Borrowings of foreign currency
Financing Arrangements
Maximum borrowing capacity	100,000,000
Letters of credit
Financing Arrangements
Maximum borrowing capacity	30,000,000
Swing line loans
Financing Arrangements
Maximum borrowing capacity	$ 10,000,000
Other assets
Financing Arrangements
Unamortized debt issuance costs			$ 671,000