v3.7.0.1

Accrued Expenses and Other Current Liabilities - Additional Information (Details) - USD ($) $ in Millions | Apr. 30, 2017 | Apr. 30, 2016
--- | --- | ---
Other Long Term Liabilities [Member] |  |
Accrued Expenses and Other Current Liabilities [Line Items] |  |
Lease Incentive, Payable | $ 5.7 | $ 6.3
Accrued Liabilities [Member] |  |
Accrued Expenses and Other Current Liabilities [Line Items] |  |
Lease Incentive, Payable | $ 0.7 | $ 0.7

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- Definition [Line Items] for Accrued Expenses and Other Current Liabilities [Table] + References No definition available. + Details
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- Definition This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Details
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