v3.5.0.1

Commitments and Contingencies (Tables) | 12 Months Ended
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Apr. 30, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | Future minimum rental commitments under non-cancelable operating leases, by year and in the aggregate, are as follows at April 30, 2016 (in thousands):
Fiscal year ending April 30: |  | Minimum Lease Commitments
2017 |  | $ | 6,437 |
2018 |  | 6,266 |
2019 |  | 5,041 |
2020 |  | 4,792 |
2021 |  | 4,034 |
Thereafter |  | 20,764 |
Total |  | $ | 47,334 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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