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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Net income	$ 11,938	$ 29,562
Other comprehensive income:
Foreign currency translation	1,788	9,590
Change in unrealized gains (losses) on marketable securities, net of tax	12	(4)
Net current-period other comprehensive income (loss)	1,800	9,586
Comprehensive income	$ 13,738	$ 39,148

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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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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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