INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Accrued expenses and other liabilities	$ 1.3	$ 3.5
Inventory	1.3	1.3
Operating lease obligations	16.5
Intangible & other	1.3	3.1
Net operating loss and credit carryforwards	17.7	19.3
Valuation allowances	(16.8)	(18.3)
Total deferred tax assets	21.3	8.9
Operating lease right-of-use assets	14.0
Other	0.1	0.1
Total deferred tax liabilities	$ 14.1	$ 0.1