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Segment Reporting - ADJ EBITDA Reconciliations (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Corporate expenses not allocated to segments | $ 146,100,000 | $ 142,600,000 | $ 296,500,000 | $ 274,700,000
Interest Income (Expense), Nonoperating, Net | (98,800,000) | (98,800,000) | (193,200,000) | (193,800,000)
Depreciation and amortization | 46,100,000 | 46,900,000 | 91,600,000 | 91,300,000
Other Nonoperating Income (Expense) | 95,900,000 | (800,000) | 74,300,000 | (10,900,000)
Stock-based compensation expense | 2,700,000 | 12,200,000 | 12,800,000 | 23,900,000
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 320,600,000 | 264,200,000 | 467,600,000 | 505,500,000
Operating Segments |  |  |  |
Adjusted EBITDA | 519,200,000 | 557,100,000 | 981,600,000 | 1,083,300,000
Stock-based compensation expense | 3,500,000 | 3,800,000 | 7,000,000.0 | 7,100,000
EES |  |  |  |
Adjusted EBITDA | 194,900,000 | 189,000,000.0 | 360,700,000 | 372,000,000.0
Other Nonoperating Income (Expense) | 3,000,000.0 | 9,800,000 | 8,700,000 | 10,300,000
EES | Operating Segments |  |  |  |
Adjusted EBITDA | 194,900,000 | 189,000,000.0 | 360,700,000 | 372,000,000.0
CSS |  |  |  |
Adjusted EBITDA | 150,800,000 | 179,500,000 | 278,000,000.0 | 335,000,000.0
Other Nonoperating Income (Expense) | 16,000,000.0 | 27,700,000 | 34,800,000 | 28,500,000
CSS | Operating Segments |  |  |  |
Adjusted EBITDA | 150,800,000 | 179,500,000 | 278,000,000.0 | 335,000,000.0
UBS |  |  |  |
Adjusted EBITDA | 173,500,000 | 188,600,000 | 342,900,000 | 376,300,000
Other Nonoperating Income (Expense) | (103,200,000) | (1,700,000) | (102,400,000) | (1,100,000)
UBS | Operating Segments |  |  |  |
Adjusted EBITDA | $ 173,500,000 | $ 188,600,000 | $ 342,900,000 | $ 376,300,000

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