Investments (Tables)

12 Months Ended

Apr. 30, 2015

Components of Investments

Investments consist of the following (in thousands):

	April 30,
	2015		2014
Trading:
Debt securities:
Tax-exempt state and municipal bonds	$	21,555	$	15,167
Corporate bonds		714		1,188
Total debt securities		22,269		16,355
Marketable equity securities		8,471		7,416
	$	30,740	$	23,771

Contractual Maturities of Debt Securities Classified as Trading

The contractual maturities of debt securities classified as trading at April 30, 2015 and 2014 were as follows (in thousands):

	2015		2014
Due within one year	$	8,581	$	7,646
Due within two years		11,348		6,228
Due within three years		1,983		1,970
Due after three years		357		511
	$	22,269	$	16,355