RETIREMENT PLANS (Tables)

12 Months Ended

Apr. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Multiemployer Plans

Information on significant multiemployer pension plans in which the Company participates is included in the table below.

					Expiration of
	Federal	Pension		FIP/RP	Collective
	Identification	Certified Zone Status		Status Pending	Bargaining	Company's Contributions
Pension Plan Legal name	Number	2015	2014	or Implemented	Arrangement	2015		2014
International Brotherhood of Electrical Workers District No. 9 Pension Plan	93-6074829	NA	NA	No	11/30/2017	$	489,786	$	377,694