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Basis of Presentation (Tables) | 3 Months Ended
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Apr. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Reclassifications | These expenses have been reclassified in the Condensed Consolidated Statements of Operations for the three months ended April 30, 2014 to conform to the current period presentation as follows:
|  | Three Months Ended
|  | April 30, 2014
Reclassifications within operating expenses: |  |
(Decrease) to general and administrative |  | $ | (10.9 | )
Increase to amortization of purchased intangibles |  | 10.9 |

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