INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Tax loss and credit carryforwards	$ 276.0	$ 275.3
Business interest expense carryforward	62.9	30.9
Reserves and allowances	1.4	3.9
Share-based compensation	5.8	5.1
Other	0.0	0.0
Total deferred tax assets before valuation allowance	346.1	315.2
Less: Valuation allowance	(211.4)	(162.9)
Total deferred tax assets	134.7	152.3
Deferred tax liabilities:
Intangible assets and goodwill	(54.7)	(66.4)
Property and equipment	(216.5)	(219.7)
Other	0.0	(3.6)
Total deferred tax liabilities	(271.2)	(289.7)
Net deferred tax liabilities	(136.5)	(137.4)
Deferred tax liability	171.3	176.2
Deferred tax asset	$ 34.8	$ 38.8