XML 30 R43.htm IDEA: XBRL DOCUMENT v2.4.0.8
Supplementary Cash Flow Information (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Supplemental Cash Flow Elements [Abstract]    
State and local income tax payments $ (97) $ (20)
Federal income tax payments to the Parent $ (1,054) $ (1,030)