Leases - Schedule of Capital Leased Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Apr. 30, 2015
Capital Leased Assets
Gross capital leased assets	$ 16,044	$ 16,044
Less accumulated amortization	6,365	5,666
Net capital leased assets	9,679	10,378
Real Estate
Capital Leased Assets
Gross capital leased assets	13,480	13,480
Equipment
Capital Leased Assets
Gross capital leased assets	$ 2,564	$ 2,564

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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+ References

No definition available.

+ Details

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 2)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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