XML 80 R27.htm IDEA: XBRL DOCUMENT v3.2.0.727
Supplementary Cash Flow Information (Tables)
12 Months Ended
Apr. 30, 2015
Supplemental Cash Flow Elements [Abstract]  
Schedule of cash flow supplemental disclosures
    Fiscal Years Ended April 30,  
($ in thousands)   2015     2014     2013  
State and local income tax payments   $ 238     $ 114     $ 120  
Federal income tax payments to the Parent   $ 3,366     $ 2,254     $ 1,877