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Business Segments and Geographic Information (Pre-Tax Income Reconciliation of Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |
Assets | $ 4,317,534 | $ 4,258,118 |
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | 486,339 | 449,180 | $ 438,628
Unallocated amounts: |  |  |
General and administrative expense | (185,926) | (184,515) | (190,343)
Net interest expense | (122,090) | (115,348) | (96,348)
Loss on extinguishment of debt | (4,795) | 0 | 0
Income Before Income Taxes and Equity in Earnings of Affiliates | 173,528 | 149,317 | 151,937
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 4,185,452 | 4,122,830 | 4,046,323
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | 486,339 | 449,180 | 438,628
U.S. Secure Services | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 2,618,629 | 2,590,722 | 2,385,069
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | 322,506 | 297,453 | 302,488
GEO Care | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 1,112,880 | 1,063,484 | 1,121,792
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | 147,036 | 138,911 | 123,525
International Services | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 82,097 | 84,911 | 40,056
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | 16,723 | 12,816 | 14,235
Facility Construction and Design | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 371,846 | 383,713 | 499,406
Pre-Tax Income Reconciliation of Segments |  |  |
Total operating income from segments | $ 74 | $ 0 | $ (1,620)

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