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Business Acquisitions - Purchase Price (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Apr. 02, 2023 | Dec. 31, 2023
Business Acquisition [Line Items] |  |  |  |
Cash paid | $ 0.0 |  | $ 52.5 |
Total |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid |  |  |  | $ 77.7
Goodwill Acquired |  |  |  | 76.6
Acquired Intangible Assets |  | $ 16.1 |  | 16.1
Xena Networks |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid |  | 24.2 |  | 24.2
Goodwill Acquired |  |  |  | 21.1
Acquired Intangible Assets |  | 4.8 |  | 4.8
ChartWorld |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid |  |  | $ 53.5 | 53.5
Goodwill Acquired |  |  |  | 55.5
Acquired Intangible Assets |  | $ 11.3 |  | $ 11.3

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