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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Net income	$ 66,841	$ 67,509	$ 99,617	$ 104,987
Other comprehensive income (loss):
Foreign currency translation	2,353	828	5,498	3,696
Change in unrealized losses on marketable securities, net of tax	(25)	(162)	(63)	(342)
Net current-period other comprehensive income (loss)	2,328	666	5,435	3,354
Comprehensive income	$ 69,169	$ 68,175	$ 105,052	$ 108,341

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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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