DIVESTITURE OF AVEDA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Asset impairment charges
Impairments	$ 13.4
Disposal group held for sale | Aveda
Asset impairment charges
Impairments	13.4
Assets
Accounts receivable	28.3
Prepaid and other current assets	8.8
Property and equipment, net	30.1
Right-of-use assets	2.6
Total held-for-sale assets	69.8
Liabilities
Accounts payable	5.2
Accrued expenses and other liabilities	9.4
Other liabilities	4.2
Deferred tax liabilities	(5.7)
Total held-for-sale liabilities	13.1
Disposal Group, Including Discontinued Operation, Additional Disclosures [Abstract]
Total revenue	32.2	$ 42.0
Operating income (loss)	(11.9)	0.1
Net loss	(12.2)	$ (0.6)
Disposal group held for sale | Aveda | Trade names
Asset impairment charges
Impairments	6.2
Disposal group held for sale | Aveda | Right of use asset
Asset impairment charges
Impairments	3.2
Disposal group held for sale | Aveda | Property and equipment
Asset impairment charges
Impairments	4.0
Assets
Property and equipment, net	$ 8.1