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Basis of Presentation (Tables) | 3 Months Ended
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Apr. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Error Corrections and Prior Period Adjustments | The effects of the changes on the Consolidated Balance Sheets as of January 31, 2021, were as follows:
| As Reported January 31, 2021 |  | Effect of Changes in Presentation |  | As Adjusted January 31, 2021 |  |
Marketable securities | $ | 85.0 |  |  | $ | (81.0) |  |  | $ | 4.0 |  |  |  |  |
Prepaid and other current assets | 198.9 |  |  | 7.3 |  |  | 206.2 |  |  |  |  |
Long-term other assets | 412.9 |  |  | 73.7 |  |  | 486.6 |  |  |  |  |
Total current assets | 2,699.2 |  |  | (73.7) |  |  | 2,625.5 |  |  |  |  |
Total assets | 7,279.8 |  |  | $ | — |  |  | 7,279.8 |  |  |  |  |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794 + Details
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