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Basis of Presentation Revenue Reclassification (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2017 | Jul. 31, 2016
Net revenue: |  |  |  |
Maintenance | $ 261.8 | $ 277.5 | $ 525.4 | $ 561.9
Subscription | 196.1 | 101.8 | 369.5 | 187.3
License and other | 43.9 | 171.4 | 92.6 | 313.4
Net revenue | 501.8 | 550.7 | 987.5 | 1,062.6
Cost of revenue: |  |  |  |
Maintenance and subscription | 52.8 | 46.8 | 107.7 | 93.4
License and other | 17.8 | 27.6 | 36.4 | 62.5
Amortization of developed technology (1) | 4.0 | 10.7 | 8.7 | 21.6
Total cost of revenue | $ 74.6 | 85.1 | $ 152.8 | 177.5
Previously Reported |  |  |  |
Net revenue: |  |  |  |
Subscription |  | 322.0 |  | 648.0
License and other |  | 228.7 |  | 414.6
Net revenue |  | 550.7 |  | 1,062.6
Cost of revenue: |  |  |  |
Maintenance and subscription |  | 38.2 |  | 78.0
License and other |  | 46.9 |  | 99.5
Total cost of revenue |  | 85.1 |  | 177.5
Change in Presentation Reclassification |  |  |  |
Net revenue: |  |  |  |
Maintenance |  | 277.5 |  | 561.9
Subscription |  | (220.2) |  | (460.7)
License and other |  | (57.3) |  | (101.2)
Net revenue |  | 0.0 |  | 0.0
Cost of revenue: |  |  |  |
Maintenance and subscription |  | 8.6 |  | 15.4
License and other |  | (19.3) |  | (37.0)
Amortization of developed technology (1) |  | 10.7 |  | 21.6
Total cost of revenue |  | $ 0.0 |  | $ 0.0

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- Definition The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the production of goods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Revenue from multiple-deliverable arrangements that include licensing fees and services revenue. Licensing revenue is consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Services revenue may be derived by providing other, nonspecified, services during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d),(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Revenue from circulation or sale of subscriptions (for example, but not limited to, subscriptions to a magazine or newspaper). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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