PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Property, plant and equipment.
Gross property, plant and equipment	$ 710.9	$ 744.3
Less: Accumulated depreciation	(355.3)	(372.4)
Net property, plant and equipment	355.6	371.9
Property
Property, plant and equipment.
Gross property, plant and equipment	34.0	37.2
Plant
Property, plant and equipment.
Gross property, plant and equipment	142.5	161.9
Equipment
Property, plant and equipment.
Gross property, plant and equipment	$ 534.4	$ 545.2