v3.7.0.1

Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	[1]
Statement of Comprehensive Income [Abstract]
Net loss	$ (64,044)	$ (78,503)
Other comprehensive loss, net of tax:
Net change in foreign currency translation adjustment	(277)	681
Net change in unrealized gains (losses) on available-for-sale investments	(775)	552
Net change in market value of effective foreign currency forward exchange contracts	(1,209)	(11,064)
Other comprehensive loss, net of tax	(2,261)	(9,831)
Comprehensive loss	$ (66,305)	$ (88,334)
[1] See Note 2 for a summary of adjustments.

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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 and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and 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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