Note F - Debt Facilities (Tables)

12 Months Ended

Apr. 30, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

(In thousands)
					Balance at
	Aggregate Amount		Interest Rate	Maturity	April 30, 2015		April 30, 2014
Revolving credit facilities	$	145,000	LIBOR + 2.375%	October 8, 2017	$	102,685		$	97,032