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Subsequent Event	6 Months Ended
Subsequent Event	Jul. 31, 2018
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event In August 2018, we acquired StorReduce, Inc., a cloud-first software-defined storage solution, for $25 million in cash, subject to adjustments. We are currently in the process of completing the purchase price allocation for this acquisition, which will be included in our condensed consolidated financial statements for the quarter ending October 31, 2018.