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Acquisitions (Tables) | 3 Months Ended
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Jan. 31, 2021
Business Combination And Asset Acquisition [Abstract] |
Total purchase consideration for business and asset acquisitions | The following is a summary of the allocation of the total purchase consideration for business and asset acquisitions that the Company completed during the three months ended January 31, 2021 and fiscal 2020:
(In millions) | January 31, 2021 |  | October 31, 2020
Technology | $ | 72.0 |  |  | $ | — |
In-Process Research & Development (IPR&D) | 20.0 |  |  | — |
Customer relationships | 6.7 |  |  | 11.4 |
Trademarks | 0.8 |  |  | 5.1 |
Other | — |  |  | 3.9 |
Total identifiable intangible assets | $ | 99.5 |  |  | $ | 20.4 |
Goodwill | 49.6 |  |  | 15.3 |
Net tangible assets | (21.8) |  |  | (0.3) |
Fair value of contingent consideration | (37.9) |  |  | — |
Total closing purchase price | $ | 89.4 |  |  | $ | 35.4 |

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- Definition Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed And Asset Acquisitions [Table Text Block] + References No definition available. + Details
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