DISCONTINUED OPERATIONS AND ASSETS AND LIABILITIES HELD FOR SALE - Income (Loss) From Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss (income) attributable to noncontrolling interest	$ 0.0	$ 0.2
Income (loss) from discontinued operations – net of tax	$ 0.0	(52.2)
Materials Handling and Port Solutions Sale | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		312.6
Cost of sales		(270.8)
Selling, general and administrative expenses		(94.8)
Net interest (expense)		(0.4)
Other income (expense)		2.1
Income (loss) from discontinued operations before income taxes		(51.3)
(Provision for) benefit from income taxes		(1.1)
Income (loss) from discontinued operations – net of tax attributable to Terex Corporation		(52.4)
Net loss (income) attributable to noncontrolling interest		0.2
Income (loss) from discontinued operations – net of tax		$ (52.2)