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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Net income	$ 76,915	$ 66,841	$ 106,477	$ 99,617
Other comprehensive (loss) income:
Foreign currency translation	(13,066)	2,353	(3,476)	5,498
Change in unrealized gains (losses) on marketable securities, net of tax	4	(25)		(63)
Net current-period other comprehensive income (loss)	(13,062)	2,328	(3,476)	5,435
Comprehensive income	$ 63,853	$ 69,169	$ 103,001	$ 105,052

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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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