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Basis of Presentation - Additional Information (Details) | Sep. 30, 2020 bed facility person detainee
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Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of beds | bed | 93,000
Correctional, detention and residential treatment facilities including projects under development | facility | 123
Provision of monitoring services tracking offenders, number of individuals (more than) | person | 210,000
Provision of monitoring services tracking offenders using technology products (in detainees) | detainee | 100,000

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