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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015
Net income	$ 47,355	$ 51,994	$ 153,832	$ 151,611
Other comprehensive (loss) income:
Foreign currency translation	(10,665)	(2,688)	(14,141)	2,810
Change in unrealized (losses) gains on marketable securities, net of tax	(55)	29	(55)	(34)
Net current-period other comprehensive income (loss)	(10,720)	(2,659)	(14,196)	2,776
Comprehensive income	$ 36,635	$ 49,335	$ 139,636	$ 154,387

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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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