PROPERTY, PLANT AND EQUIPMENT, NET - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 963.4
Property, plant and equipment, gross		$ 916.3
Less: accumulated depreciation, depletion and amortization	(289.9)
Less: accumulated depreciation, depletion and amortization		(236.1)
Property, plant and equipment, net	673.5
Property, plant and equipment, net		680.2	$ 636.3
Land and mineral deposits
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	313.0
Property, plant and equipment, gross		310.4
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	66.2
Property, plant and equipment, gross		65.7
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	295.7
Property, plant and equipment, gross		266.2
Mixers, trucks and other vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	258.8
Property, plant and equipment, gross		244.0
Other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1.9
Property, plant and equipment, gross		1.7
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 27.8
Property, plant and equipment, gross		$ 28.3