BUSINESS SEGMENT INFORMATION - Net Sales by Product Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net sales	$ 690.5	$ 1,306.9	$ 1,524.1	$ 2,443.5
Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	413.9	870.4	925.6	1,598.3
Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	263.6	430.9	579.2	841.4
Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	13.0	5.6	19.3	3.8
Aerial Work Platforms
Segment Reporting Information [Line Items]
Net sales	279.2	636.7	626.3	1,157.2
Aerial Work Platforms | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	279.4	636.0	626.1	1,155.6
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)	0.7	0.2	1.6
Materials Processing Equipment
Segment Reporting Information [Line Items]
Net sales	150.8	231.6	338.9	447.6
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	150.8	231.6	338.9	447.6
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	112.3	197.7	238.9	391.1
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	111.9	197.0	238.2	389.3
Specialty Equipment | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	0.4	0.7	0.7	1.8
Other
Segment Reporting Information [Line Items]
Net sales	148.2	240.9	320.0	447.6
Other | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	134.5	234.4	299.5	442.7
Other | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	0.9	2.3	2.1	4.5
Other | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	$ 12.8	$ 4.2	$ 18.4	$ 0.4