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Related Party Transactions (Tables)

9 Months Ended

Jan. 31, 2015

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)		2015				2014				2015				2014
Non-voting revenues interest in EAM		$	1,862			$	1,767			$	5,498			$	5,028
Non-voting profits interest in EAM			162				207				497				569
		$	2,024			$	1,974			$	5,995			$	5,597

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

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