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Acquisitions (Tables) | 9 Months Ended
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Oct. 31, 2016
Business Combinations [Abstract] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | The following table summarizes the fair value of the assets acquired and liabilities assumed by major class for the business combinations and technology acquisitions completed during the nine months ended October 31, 2016:
|  | October 31, 2016
Developed technologies |  | $ | 18.8 |
Customer relationships and other non-current intangible assets |  | 10.2 |
Trade name |  | 3.8 |
Goodwill |  | 62.8 |
Deferred revenue (current and non-current) |  | (2.1 | )
Deferred tax liability |  | (7.1 | )
Net tangible assets |  | 0.6 |
Total |  | $ | 87.0 |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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