XML 47 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Acquisitions (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2018
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 each of the business combinations and technology acquisitions completed during the fiscal year ended January 31, 2017:
Developed technologies |  | $ | 18.8 |
Customer relationships |  | 10.2 |
Trade name |  | 3.8 |
Goodwill |  | 62.8 |
Deferred revenue (current and non-current) |  | (2.1 | )
Deferred tax liability |  | (7.1 | )
Net tangible (liabilities) assets |  | 0.6 |
Total |  | $ | 87.0 |

X
- References No definition available. + Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration