FAIR VALUE MEASUREMENTS - Estimated Fair Values Assets and Liabilities Measured on Non-Recurring Basis (Details) - Physician Staffing [Member] - Fair Value, Measurements, Nonrecurring [Member] - Fair Value, Inputs, Level 3 [Member] $ in Thousands	Jun. 30, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 25,685
Trade names	15,000
Customer relationships	$ 1,300