ACQUISITIONS - Advantage RN (Details) - Advantage RN, LLC [Member] $ in Millions				1 Months Ended	3 Months Ended		20 Months Ended
	Apr. 03, 2019 USD ($)	Jul. 28, 2017 USD ($)	Jul. 01, 2017 USD ($) escrow_account	Feb. 28, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2017 USD ($)	Feb. 28, 2019 USD ($)
Business Acquisition [Line Items]
Cash consideration			$ 86.6
Net working capital adjustment			$ 0.6
Reimbursement from working capital adjustment settled						$ 0.8
Number of escrow accounts | escrow_account			2
Release of remaining contingent liability							$ 0.5
Remaining liability released to seller				$ 0.1
Escrow deposit related to tax liabilities		$ 7.2	$ 14.5
Escrow deposit related to post close liabilities			7.5		$ 0.5
Release of escrow to seller		$ 7.3			$ 7.0
Deferred Consideration Transferred [Member]
Business Acquisition [Line Items]
Contingent liability			$ 0.6
Period of deferred consideration			20 months
Purchase Price [Member]
Business Acquisition [Line Items]
Purchase price			$ 88.0
Subsequent Event [Member]
Business Acquisition [Line Items]
Release of escrow to seller	$ 2.9
Escrow disbursement related to tax liabilities	$ 4.3