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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |
|---|---|---|
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Sep. 30, 2012
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Dec. 31, 1997
Hardeman County Correctional Facilities Corporation
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| Loss Contingencies [Line Items] | ||
| Number of pending legal proceedings that would have an effect on consolidated financial position, results of operations, or cash flows | 0 | |
| Issuance of revenue bonds | $ 72.7 | |
| Number of beds at the facility | 2,016 | |
| Outstanding principal balance of revenue bonds | 28.8 | |
| Outstanding principal balance of the bonds exceeded the purchase price option | $ 8.4 |