Cash Flow (Tables)

6 Months Ended

Oct. 31, 2014

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosures Of Cash Flow Information

Supplemental disclosures of cash flow information:

	Six Months Ended
	October 31,
(in thousands)	2014		2013
Cash paid during the period for:
Interest	$	301	$	290
Income taxes	$	7,935	$	3,849