BUSINESS SEGMENT INFORMATION - Net Sales by Product Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Net sales	$ 1,038.7	$ 690.5	$ 1,902.9	$ 1,524.1
Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	595.2	413.9	1,071.9	925.6
Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	440.8	263.6	819.0	579.2
Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	2.7	13.0	12.0	19.3
Aerial Work Platforms
Segment Reporting Information [Line Items]
Net sales	448.6	279.2	805.8	626.3
Aerial Work Platforms | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	448.4	279.4	805.2	626.1
Aerial Work Platforms | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Aerial Work Platforms | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	0.2	(0.2)	0.6	0.2
Materials Processing Equipment
Segment Reporting Information [Line Items]
Net sales	261.3	150.8	489.9	338.9
Materials Processing Equipment | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Materials Processing Equipment | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	261.3	150.8	489.9	338.9
Materials Processing Equipment | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Specialty Equipment
Segment Reporting Information [Line Items]
Net sales	180.3	112.3	330.1	238.9
Specialty Equipment | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Specialty Equipment | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	179.5	111.9	328.6	238.2
Specialty Equipment | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	0.8	0.4	1.5	0.7
Other
Segment Reporting Information [Line Items]
Net sales	148.5	148.2	277.1	320.0
Other | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	146.8	134.5	266.7	299.5
Other | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	0.0	0.9	0.5	2.1
Other | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	$ 1.7	$ 12.8	$ 9.9	$ 18.4