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Significant Accounting Policies - Summary of the Inventory Values (Details) - USD ($) $ in Thousands | Apr. 30, 2015 | Apr. 30, 2014
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Inventory |  |
Inventory | $ 197,331 | $ 204,833
Fuel |  |
Inventory |  |
Inventory | 69,056 | 95,004
Merchandise |  |
Inventory |  |
Inventory | $ 128,275 | $ 109,829

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- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Details
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