INCOME TAXES (Detail) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Income Tax Contingency [Line Items] | ||||
| Effective income tax rate | 50.10% | 51.50% | 50.20% | 46.20% |
| Effective income tax rate increase (decrease) during period | 0.90% | 0.70% | 1.70% | 0.20% |
| Effective income tax rate increase (decrease), excess tax benefit due to new guidance | (1.00%) | |||
| Concentra Inc. | ||||
| Income Tax Contingency [Line Items] | ||||
| Effective income tax rate increase (decrease) during period | (4.60%) | (4.60%) | ||