DISCONTINUED OPERATIONS AND ASSETS AND LIABILITIES HELD FOR SALE - Gain (Loss) on Disposition of Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Discontinued operations in the Consolidated Statement of Comprehensive Income
Gain (loss) on disposition of discontinued operations – net of tax	$ (5.0)	$ 10.8	$ (5.0)	$ 11.4
Discontinued Operations, Disposed of by Sale
Discontinued operations in the Consolidated Statement of Comprehensive Income
Gain (loss) on disposition of discontinued operations		13.7		12.4
(Provision for) benefit from income taxes		(2.9)		(1.0)
Gain (loss) on disposition of discontinued operations – net of tax		10.8		11.4
Discontinued Operations, Disposed of by Sale | Demag-Mobile Cranes Business [Member]
Discontinued operations in the Consolidated Statement of Comprehensive Income
Gain (loss) on disposition of discontinued operations	(7.2)	13.7	(7.2)	13.7
(Provision for) benefit from income taxes	2.2	(0.9)	2.2	(0.9)
Gain (loss) on disposition of discontinued operations – net of tax	$ (5.0)	12.8	$ (5.0)	12.8
Discontinued Operations, Disposed of by Sale | Material Handling and Port Solutions
Discontinued operations in the Consolidated Statement of Comprehensive Income
Gain (loss) on disposition of discontinued operations		0.0		(1.3)
(Provision for) benefit from income taxes		(2.0)		(0.1)
Gain (loss) on disposition of discontinued operations – net of tax		$ (2.0)		$ (1.4)