Annual report pursuant to Section 13 and 15(d)

Summary of Losses on Interest Rate Swap (Detail)

v3.7.0.1
Summary of Losses on Interest Rate Swap (Detail) - Interest Rate Swap
$ in Thousands
12 Months Ended
Apr. 30, 2017
USD ($)
Derivative [Line Items]  
Losses recognized in OCI (net of tax effects of $406) $ 635
Losses reclassified from AOCI into interest income (expense), net $ (94)