Note F - Debt Facilities (Tables)

3 Months Ended

Jul. 31, 2013

Debt Disclosure [Abstract]

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

(In thousands)
		Aggregate	Interest			Balance at
		Amount	Rate	Maturity		July 31, 2013	April 30, 2013
Revolving credit facilities	$	145,000	LIBOR + 2.25%	June 2016	$	99,497	$	99,563