v3.5.0.1

Discontinued Operations - Additional Information (Details) - USD ($)		12 Months Ended
	Jun. 04, 2014	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]
Proceeds from disposition	$ 30,000,000		$ 30,000,000
Amount that placed into escrow as partial security for the Company's indemnification obligations	$ 4,500,000
Loss on disposal of discontinued operations, net of tax, recognized in current period		$ 0	$ (1,537,000)	$ (9,192,000)
Assets held for sale		0		$ 33,745,000
Claims for indemnification received		$ 0

X

- Definition

Indemnification Obligation Resulting From Breach Of Any Representation Warranty Or Covenant Individual Claim Threshold

+ References

No definition available.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
-Paragraph 10
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- Definition

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

+ References

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

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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