DISCONTINUED OPERATIONS AND ASSETS AND LIABILITIES HELD FOR SALE - Construction (Details) - Construction Segment Sale - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 5.7
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down, Net of Tax	3.9
Cost of Sales
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	4.0
Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 1.7
Scenario, Forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expected proceeds from sale		$ 60.0