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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Net income	$ 72,691	$ 33,293	$ 54,303
Other comprehensive income:
Foreign currency translation adjustments	(1,955)	(5,254)	(12,826)
Deferred compensation and pension plan adjustments, net of tax	2,230	(4,578)	(5,644)
Unrealized (losses) gains on marketable securities, net of tax	(32)	10	1
Comprehensive income	$ 72,934	$ 23,471	$ 35,834

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