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Segments - Information Concerning Principal Geographic Areas for Long-Lived Assets (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Long-lived assets: |  |  |
Property, Plant and Equipment, Net | [1],[2] | $ 91.4 | $ 110.3
United States |  |  |
Long-lived assets: |  |  |
Property, Plant and Equipment, Net |  | 54.6 | 69.7
International |  |  |
Long-lived assets: |  |  |
Property, Plant and Equipment, Net |  | $ 36.8 | $ 40.6
[1] | As of December 31, 2022, long-lived assets in International include Assets held for sale of $0.7 million. These assets related to the Company’s Business Solutions business, as further discussed in Note 4.
[2] | As of December 31, 2022, Property and equipment, net included Assets held for sale of $0.7 million, which consisted of property and equipment of the Company’s Business Solutions business, as further described in Note 4.

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