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BUSINESS SEGMENTS (Tables) | 6 Months Ended
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Jun. 30, 2025
Segment Reporting [Abstract] |
Schedule of Summarized Financial Information Concerning the Company's Reportable Segments | Summarized financial information concerning the Company’s reportable segments for the three and six months ended June 30, 2025 and 2024 is shown in the following tables. The “Other” column (i) represents amounts excluded from specific segments, such as business development operations, stock-based compensation expense and corporate expenses included in Selling, general, administrative and development expense; Other operating expenses; Interest income; Interest expense; Gain (loss) on retirement of long-term obligations; and Other income (expense), and (ii) reconciles segment operating profit to Income from continuing operations before income taxes.
|  | Property | Total Property |  | Services |  | Other |  | Total
Three Months Ended June 30, 2025 |  | U.S. & Canada |  | Africa & APAC |  | Europe |  | Latin America |  | Data Centers |
Segment revenues |  | $ | 1,307.1 |  |  | $ | 336.3 |  |  | $ | 232.7 |  |  | $ | 389.4 |  |  | $ | 261.9 |  |  | $ | 2,527.4 |  |  | $ | 99.5 |  |  |  |  | $ | 2,626.9 |
Segment operating expenses |  | 222.2 |  |  | 104.5 |  |  | 86.6 |  |  | 124.4 |  |  | 102.9 |  |  | 640.6 |  |  | 48.1 |  |  |  |  | 688.7 |
Segment gross margin |  | 1,084.9 |  |  | 231.8 |  |  | 146.1 |  |  | 265.0 |  |  | 159.0 |  |  | 1,886.8 |  |  | 51.4 |  |  |  |  | 1,938.2 |
Segment selling, general, administrative and development expense (1) |  | 41.3 |  |  | 18.9 |  |  | 14.6 |  |  | 27.1 |  |  | 19.1 |  |  | 121.0 |  |  | 6.5 |  |  |  |  | 127.5 |
Segment operating profit |  | $ | 1,043.6 |  |  | $ | 212.9 |  |  | $ | 131.5 |  |  | $ | 237.9 |  |  | $ | 139.9 |  |  | $ | 1,765.8 |  |  | $ | 44.9 |  |  |  |  | $ | 1,810.7 |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 47.3 |  |  | 47.3 |
Other selling, general, administrative and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58.9 |  |  | 58.9 |
Depreciation, amortization and accretion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 510.3 |  |  | 510.3 |
Other expense (2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 682.4 |  |  | 682.4 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 511.8 |
_______________ (1)Segment selling, general, administrative and development expenses exclude stock-based compensation expense of $47.3 million. (2)Primarily includes interest expense and losses from foreign currency exchange rate fluctuations, partially offset by an unrealized gain from equity securities of $110.7 million.
|  | Property | Total Property |  | Services |  | Other |  | Total
Three Months Ended June 30, 2024 |  | U.S. & Canada |  | Africa & APAC (1) |  | Europe |  | Latin America |  | Data Centers |
Segment revenues |  | $ | 1,315.4 |  |  | $ | 299.2 |  |  | $ | 203.2 |  |  | $ | 448.7 |  |  | $ | 230.8 |  |  | $ | 2,497.3 |  |  | $ | 47.4 |  |  |  |  | $ | 2,544.7 |
Segment operating expenses |  | 220.6 |  |  | 97.8 |  |  | 73.2 |  |  | 136.4 |  |  | 99.3 |  |  | 627.3 |  |  | 22.0 |  |  |  |  | 649.3 |
Segment gross margin |  | 1,094.8 |  |  | 201.4 |  |  | 130.0 |  |  | 312.3 |  |  | 131.5 |  |  | 1,870.0 |  |  | 25.4 |  |  |  |  | 1,895.4 |
Segment selling, general, administrative and development expense (2) |  | 40.2 |  |  | 17.6 |  |  | 15.4 |  |  | 21.7 |  |  | 18.9 |  |  | 113.8 |  |  | 4.6 |  |  |  |  | 118.4 |
Segment operating profit |  | $ | 1,054.6 |  |  | $ | 183.8 |  |  | $ | 114.6 |  |  | $ | 290.6 |  |  | $ | 112.6 |  |  | $ | 1,756.2 |  |  | $ | 20.8 |  |  |  |  | $ | 1,777.0 |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 44.3 |  |  | 44.3 |
Other selling, general, administrative and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55.6 |  |  | 55.6 |
Depreciation, amortization and accretion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 520.6 |  |  | 520.6 |
Other expense (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 309.2 |  |  | 309.2 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 847.3 |
_______________ (1)Excludes the operating results of ATC TIPL, which are reported as discontinued operations. See note 16 for further discussion. (2)Segment selling, general, administrative and development expenses exclude stock-based compensation expense of $44.3 million. (3)Primarily includes interest expense and losses from foreign currency exchange rate fluctuations, partially offset by an unrealized gain from equity securities of $40.7 million.
|  | Property | Total Property |  | Services |  | Other |  | Total
Six Months Ended June 30, 2025 |  | U.S. & Canada |  | Africa & APAC |  | Europe |  | Latin America |  | Data Centers |
Segment revenues |  | $ | 2,605.4 |  |  | $ | 669.9 |  |  | $ | 445.7 |  |  | $ | 788.6 |  |  | $ | 506.0 |  |  | $ | 5,015.6 |  |  | $ | 174.1 |  |  |  |  | $ | 5,189.7 |
Segment operating expenses |  | 424.5 |  |  | 203.8 |  |  | 162.6 |  |  | 247.1 |  |  | 202.2 |  |  | 1,240.2 |  |  | 83.0 |  |  |  |  | 1,323.2 |
Segment gross margin |  | 2,180.9 |  |  | 466.1 |  |  | 283.1 |  |  | 541.5 |  |  | 303.8 |  |  | 3,775.4 |  |  | 91.1 |  |  |  |  | 3,866.5 |
Segment selling, general, administrative and development expense (1) |  | 80.6 |  |  | 39.0 |  |  | 30.4 |  |  | 48.1 |  |  | 42.0 |  |  | 240.1 |  |  | 12.9 |  |  |  |  | 253.0 |
Segment operating profit |  | $ | 2,100.3 |  |  | $ | 427.1 |  |  | $ | 252.7 |  |  | $ | 493.4 |  |  | $ | 261.8 |  |  | $ | 3,535.3 |  |  | $ | 78.2 |  |  |  |  | $ | 3,613.5 |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 100.7 |  |  | 100.7 |
Other selling, general, administrative and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 117.5 |  |  | 117.5 |
Depreciation, amortization and accretion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,002.8 |  |  | 1,002.8 |
Other expense (2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,263.2 |  |  | 1,263.2 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 1,129.3 |
Total assets |  | $ | 26,889.9 |  |  | $ | 4,234.9 |  |  | $ | 12,884.5 |  |  | $ | 8,372.4 |  |  | $ | 10,705.3 |  |  | $ | 63,087.0 |  |  | $ | 139.0 |  |  | $ | 528.5 |  |  | $ | 63,754.5 |
Capital expenditures |  | $ | 160.5 |  |  | $ | 99.8 |  |  | $ | 106.5 |  |  | $ | 57.9 |  |  | $ | 224.3 |  |  | $ | 649.0 |  |  | $ | — |  |  | $ | 3.9 |  |  | $ | 652.9 |
_______________ (1)Segment selling, general, administrative and development expenses exclude stock-based compensation expense of $100.7 million. (2)Primarily includes interest expense and losses from foreign currency exchange rate fluctuations, partially offset by an unrealized gain from equity securities of $118.3 million and a gain on the sale of South Africa Fiber of $53.6 million.
|  | Property | Total Property |  | Services |  | Other |  | Total
Six Months Ended June 30, 2024 |  | U.S. & Canada |  | Africa & APAC (1) |  | Europe |  | Latin America |  | Data Centers |
Segment revenues |  | $ | 2,626.1 |  |  | $ | 596.3 |  |  | $ | 407.7 |  |  | $ | 894.2 |  |  | $ | 455.4 |  |  | $ | 4,979.7 |  |  | $ | 77.6 |  |  |  |  | $ | 5,057.3 |
Segment operating expenses |  | 424.9 |  |  | 191.8 |  |  | 146.7 |  |  | 276.7 |  |  | 192.2 |  |  | 1,232.3 |  |  | 35.9 |  |  |  |  | 1,268.2 |
Segment gross margin |  | 2,201.2 |  |  | 404.5 |  |  | 261.0 |  |  | 617.5 |  |  | 263.2 |  |  | 3,747.4 |  |  | 41.7 |  |  |  |  | 3,789.1 |
Segment selling, general, administrative and development expense (2) |  | 76.8 |  |  | 34.7 |  |  | 31.2 |  |  | 49.5 |  |  | 36.1 |  |  | 228.3 |  |  | 9.5 |  |  |  |  | 237.8 |
Segment operating profit |  | $ | 2,124.4 |  |  | $ | 369.8 |  |  | $ | 229.8 |  |  | $ | 568.0 |  |  | $ | 227.1 |  |  | $ | 3,519.1 |  |  | $ | 32.2 |  |  |  |  | $ | 3,551.3 |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 107.1 |  |  | 107.1 |
Other selling, general, administrative and development expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 117.7 |  |  | 117.7 |
Depreciation, amortization and accretion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,029.4 |  |  | 1,029.4 |
Other expense (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 528.5 |  |  | 528.5 |
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 1,768.6 |
Total assets (4) |  | $ | 26,867.3 |  |  | $ | 4,223.6 |  |  | $ | 11,568.2 |  |  | $ | 8,481.1 |  |  | $ | 10,479.4 |  |  | $ | 61,619.6 |  |  | $ | 73.8 |  |  | $ | 4,144.4 |  |  | $ | 65,837.8 |
Capital expenditures (5) |  | $ | 136.8 |  |  | $ | 144.0 |  |  | $ | 109.3 |  |  | $ | 83.1 |  |  | $ | 205.8 |  |  | $ | 679.0 |  |  | $ | — |  |  | $ | 51.1 |  |  | $ | 730.1 |
_______________ (1)Excludes the operating results of ATC TIPL, which are reported as discontinued operations. See note 16 for further discussion. (2)Segment selling, general, administrative and development expenses exclude stock-based compensation expense of $107.1 million. (3)Primarily includes interest expense, partially offset by gains from foreign currency exchange rate fluctuations and an unrealized gain from equity securities of $26.0 million. (4)Other total assets includes $3.5 billion of total assets of discontinued operations. (5)Other capital expenditures includes capital expenditures associated with discontinued operations.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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