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Acquisitions (Intangible Assets) (Details) - USD ($) $ in Millions | Oct. 31, 2024 | Mar. 20, 2023 | Jan. 03, 2023
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IAA |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  | $ 2,712.1 |
Weighted average amortization period |  | 13 years 4 months 24 days |
IAA | Software under development |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  | $ 6.8 |
IAA | Customer relationships |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  | $ 2,293.5 |
Weighted average amortization period |  | 15 years |
IAA | Developed technology |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  | $ 245.2 |
Weighted average amortization period |  | 4 years |
IAA | Trade names and trademarks |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  | $ 166.6 |
Weighted average amortization period |  | 5 years |
VeriTread |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  |  | $ 14.7
Weighted average amortization period |  |  | 5 years 10 months 24 days
VeriTread | Customer relationships |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  |  | $ 7.2
Weighted average amortization period |  |  | 5 years
VeriTread | Software and technology assets |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  |  | $ 7.1
Weighted average amortization period |  |  | 7 years
VeriTread | Trade names and trademarks |  |  |
Business Acquisition [Line Items] |  |  |
Preliminary fair value at acquisition |  |  | $ 0.4
Weighted average amortization period |  |  | 2 years
Boom and Bucket Inc |  |  |
Business Acquisition [Line Items] |  |  |
Weighted average amortization period | 3 years |  |

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