Defined Benefit Pension Plans (Tables)

3 Months Ended

Jul. 31, 2013

Compensation And Retirement Disclosure [Abstract]

Pension Expenses

Pension expense consisted of the following (in thousands):

	Three months ended July 31, 2013			Three months ended July 31, 2012
Service cost	$	-0-		$	-0-
Interest cost		212			227
Expected return on plan assets		(317	)		(302	)
Recognition of net loss		283			275
Net periodic pension expense	$	178		$	200