XML 87 R25.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplementary Cash Flow Information (Tables)
9 Months Ended
Jan. 31, 2016
Supplemental Cash Flow Elements [Abstract]  
Schedule of cash flow supplemental disclosures
    Nine Months Ended January 31,  
($ in thousands)   2016     2015  
State and local income tax payments   $ 183     $ 299  
Federal income tax payments to the Parent   $ 2,695     $ 2,560