Supplementary Cash Flow Information (Tables)

9 Months Ended

Jan. 31, 2013

Supplemental Cash Flow Elements [Abstract]

Schedule of cash flow supplemental disclosures

	Nine Months Ended January 31,
($ in thousands)	2013			2012
State and local income tax payments	$	(20	)	$	(84	)
Federal income tax payments to the Parent	$	(1,030	)	$	(245	)