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Business and Summary of Significant Accounting Policies - Schedule of Error Corrections and Prior Period Adjustments (Details) - USD ($) $ in Millions | Jan. 31, 2022 | Jan. 31, 2021
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Intangible assets, net | $ 493.8 | $ 199.3
Marketable securities | 235.7 | 4.0
Prepaid and other current assets | 283.6 | 206.2
Long-term other assets | 492.3 | 375.9
Total current assets | $ 2,763.8 | 2,625.5
Intangible Assets Reclassification |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Intangible assets, net |  | 199.3
Long-term other assets |  | 375.9
Total assets |  | 7,279.8
Intangible Assets Reclassification | Previously Reported |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Intangible assets, net |  | 88.6
Long-term other assets |  | 486.6
Total assets |  | 7,279.8
Intangible Assets Reclassification | Effect of Change in Presentation |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Intangible assets, net |  | 110.7
Long-term other assets |  | (110.7)
Total assets |  | 0.0
Investment Reclassification |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Marketable securities |  | 4.0
Prepaid and other current assets |  | 206.2
Long-term other assets |  | 486.6
Total current assets |  | 2,625.5
Total assets |  | 7,279.8
Investment Reclassification | 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
Investment Reclassification | Effect of Change 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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