SEGMENT DATA - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2019 segment	Sep. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment		3
Nurse And Allied Staffing [Member]
Segment Reporting Information [Line Items]
Increase (decrease) in revenue	$ (0.4)		$ (1.3)
Increase (decrease) in contribution income (loss)	(0.1)		(0.1)
Search Services [Member]
Segment Reporting Information [Line Items]
Increase (decrease) in revenue	0.4		1.3
Increase (decrease) in contribution income (loss)	$ 0.1		$ 0.1