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Business Segments and Geographic Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Revenues: |  |
Revenues | $ 550,614 | $ 510,185
Operating Income: |  |
Operating income | 64,372 | 59,167
U.S. Corrections & Detention |  |
Revenues: |  |
Revenues | 347,931 | 338,370
Operating Income: |  |
Operating income | 74,896 | 66,919
GEO Care |  |
Revenues: |  |
Revenues | 103,766 | 93,414
Operating Income: |  |
Operating income | 28,826 | 23,971
International Services |  |
Revenues: |  |
Revenues | 41,692 | 37,555
Operating Income: |  |
Operating income | 2,886 | 1,762
Facility Construction & Design |  |
Revenues: |  |
Revenues | 57,225 | 40,846
Operating Income: |  |
Operating income | 350 | 576
Operating Segments |  |
Operating Income: |  |
Operating income | $ 106,958 | $ 93,228

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