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v3.21.1

Basis of Presentation (Details) - USD ($) $ in Millions | Apr. 30, 2021 | Jan. 31, 2021
--- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Marketable securities | $ 0.0 | $ 4.0
Prepaid and other current assets | 256.1 | 206.2
Long-term other assets |  | 486.6
Total current assets | $ 1,505.4 | 2,625.5
Total assets |  | 7,279.8
Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Marketable securities |  | 85.0
Prepaid and other current assets |  | 198.9
Long-term other assets |  | 412.9
Total current assets |  | 2,699.2
Total assets |  | 7,279.8
Effect of Changes in Presentation |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Marketable securities |  | (81.0)
Prepaid and other current assets |  | 7.3
Long-term other assets |  | 73.7
Total current assets |  | (73.7)
Total assets |  | $ 0.0

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