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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Net income	$ 18,759	$ 1,196	$ 30,176	$ 11,614
Other comprehensive income:
Foreign currency translation adjustments	4,368	6,487	1,342	(3,372)
Unrealized gains (losses) on marketable securities, net of taxes	24	(10)	(33)	17
Comprehensive income	$ 23,151	$ 7,673	$ 31,485	$ 8,259

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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