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PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2020
Property and Equipment, Net
Total property and equipment	$ 235.7			$ 229.1
Less accumulated depreciation	(152.3)			(146.5)
Property and equipment, net	83.4			82.6
Depreciation expense	7.4		$ 6.2
Property classified as property held for sale	13.0			13.0
Options
Property and Equipment, Net
Impairment charge		$ 8.1
Construction in progress
Property and Equipment, Net
Total property and equipment	2.1			2.0
Furniture and equipment
Property and Equipment, Net
Total property and equipment	$ 233.6			$ 227.1

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