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Borrowing Arrangements Future (Tables) | 12 Months Ended
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Jan. 31, 2021
Debt Disclosure [Abstract] |
Fair Value of Market Price | Based on the quoted market prices, the approximate fair value of the notes as of January 31, 2021, were as follows:
| Aggregate Principal Amount |  | Fair value
2012 Notes | $ | 350.0 |  |  | $ | 366.3 |
$300 2015 Notes | 300.0 |  |  | 341.4 |
2017 Notes | 500.0 |  |  | 564.6 |
2020 Notes | 500.0 |  |  | 542.7 |
Future Minimum Payments For Borrowings | The expected future principal payments for all borrowings as of January 31, 2021, are as follows:
Fiscal year ending |  |  |  |  |
2022 | $ | — |  |  |  |  |  |  |
2023 | 350.0 |  |  |  |  |  |  |
2024 | — |  |  |  |  |  |  |
2025 | — |  |  |  |  |  |  |
2026 | 300.0 |  |  |  |  |  |  |
Thereafter | 1,000.0 |  |  |  |  |  |  |
Total principal outstanding | $ | 1,650.0 |  |  |  |  |  |  |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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