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Business Segments and Geographic Information - Schedule of Operating and Reporting Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Revenues: |  |
Revenues | $ 576,377 | $ 605,017
Operating income from segments: |  |
Operating income from segments | 114,109 | 109,944
General and Administrative Expenses | (48,479) | (53,782)
Operating income | 65,630 | 56,162
Operating Segments |  |
Revenues: |  |
Revenues | 576,377 | 605,017
Operating income from segments: |  |
Operating income from segments | 114,109 | 109,944
Operating Segments | U.S. Secure Services |  |
Revenues: |  |
Revenues | 387,011 | 398,109
Operating income from segments: |  |
Operating income from segments | 71,465 | 74,009
Operating Segments | GEO Care |  |
Revenues: |  |
Revenues | 135,482 | 144,463
Operating income from segments: |  |
Operating income from segments | 35,459 | 30,275
Operating Segments | International Services |  |
Revenues: |  |
Revenues | 53,484 | 56,850
Operating income from segments: |  |
Operating income from segments | 7,172 | 5,650
Operating Segments | Facility Construction and Design |  |
Revenues: |  |
Revenues | 400 | 5,595
Operating income from segments: |  |
Operating income from segments | 13 | 10
Segment Reconciling Items |  |
Operating income from segments: |  |
General and Administrative Expenses | $ (48,479) | $ (53,782)

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