GOODWILL AND INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Changes in goodwill by business segment
Balance at the beginning of the period, goodwill gross	$ 514.7	$ 500.8
Balance at the beginning of the period, goodwill net	273.6	259.7
Accumulated impairment	(241.1)	(241.1)	$ (241.1)
Foreign exchange effect and other	(8.4)	13.9
Balance at the end of the period, goodwill gross	506.3	514.7
Balance at the end of the period, goodwill net	265.2	273.6
Aerial Work Platforms
Changes in goodwill by business segment
Balance at the beginning of the period, goodwill gross	140.2	137.7
Balance at the beginning of the period, goodwill net	101.6	99.1
Accumulated impairment	(38.6)	(38.6)	(38.6)
Foreign exchange effect and other	(1.0)	2.5
Balance at the end of the period, goodwill gross	139.2	140.2
Balance at the end of the period, goodwill net	100.6	101.6
Cranes
Changes in goodwill by business segment
Balance at the beginning of the period, goodwill gross	179.3	179.3
Balance at the beginning of the period, goodwill net	0.0	0.0
Accumulated impairment	(179.3)	(179.3)	(179.3)
Foreign exchange effect and other	0.0	0.0
Balance at the end of the period, goodwill gross	179.3	179.3
Balance at the end of the period, goodwill net	0.0	0.0
Materials Processing
Changes in goodwill by business segment
Balance at the beginning of the period, goodwill gross	195.2	183.8
Balance at the beginning of the period, goodwill net	172.0	160.6
Accumulated impairment	(23.2)	(23.2)	$ (23.2)
Foreign exchange effect and other	(7.4)	11.4
Balance at the end of the period, goodwill gross	187.8	195.2
Balance at the end of the period, goodwill net	$ 164.6	$ 172.0