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Related Party Transactions (Tables)

9 Months Ended

Jan. 31, 2014

Related Party Transactions [Abstract]

Schedule of non voting revenues interest and non voting profits interests

		Three Months Ended January 31,								Nine Months Ended January 31,
($ in thousands)		2014				2013				2014				2013
Non-voting revenues interest in EAM		$	1,767			$	1,472			$	5,028			$	4,280
Non-voting profits interest in EAM			207				153				569				347
		$	1,974			$	1,625			$	5,597			$	4,627

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Schedule of non voting revenues interest and non voting profits interests.

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