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Summary of Significant Accounting Policies - Schedule of Property and Equipment (Details) - USD ($)
$ in Millions

Dec. 31, 2023

Dec. 31, 2022

Property and Equipment

Property and equipment, gross

$ 530.2

$ 624.1

Accumulated depreciation

(438.8)

(513.8)

Property and equipment, net

^[1],[2]

91.4

110.3

Equipment

Property and Equipment

Property and equipment, gross

373.4

464.6

Leasehold Improvements

Property and Equipment

Property and equipment, gross

121.6

120.1

Furniture and Fixtures

Property and Equipment

Property and equipment, gross

$ 35.2

37.5

Projects In Process

Property and Equipment

Property and equipment, gross

$ 1.9

[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.

X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

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- Definition

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