Cash Flow (Tables)

3 Months Ended

Jul. 31, 2015

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosures Of Cash Flow Information

Supplemental disclosures of cash flow information:

	Three Months Ended
	July 31,
(in thousands)	2015		2014
Cash paid during the period for:
Interest	$	121	$	144
Income taxes	$	1,622	$	196