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RELATED PARTY TRANSACTIONS	9 Months Ended
RELATED PARTY TRANSACTIONS	Jan. 31, 2018
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS Transactions with BMO Capital Markets We have an historical and ongoing relationship with BMO Capital Markets (“BMO”). On July 17, 2017, we engaged BMO to provide financial advisory services in connection with the proposed disposition of our healthcare property portfolio. A family member of Mark O. Decker, Jr., our President and Chief Executive Officer, is an employee of BMO and could have an indirect material interest in any such engagement and related transaction(s). The Board pre-approved the engagement of BMO. During the quarter ended January 31, 2018, we completed the disposition of 27 of our 28 healthcare properties and paid BMO a transaction fee of $1.8 million in connection with this engagement.