Supplementary Cash Flow Information (Tables)

9 Months Ended

Jan. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Schedule of cash flow supplemental disclosures

	Nine Months Ended January 31,
($ in thousands)	2015			2014
State and local income tax payments	$	(299	)	$	(97	)
Federal income tax payments to the Parent	$	(2,560	)	$	(1,054	)