BUSINESS SEGMENT INFORMATION - Net Sales by Product Type (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Net sales	$ 993.8	$ 765.6	$ 2,896.7	$ 2,289.7
Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	572.5	445.0	1,644.4	1,370.6
Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	418.7	311.3	1,237.7	890.5
Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	2.6	9.3	14.6	28.6
Aerial Work Platforms
Segment Reporting Information [Line Items]
Net sales	413.9	321.4	1,219.7	947.7
Aerial Work Platforms | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	413.7	321.1	1,218.9	947.2
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	0.3	0.8	0.5
Materials Processing Equipment
Segment Reporting Information [Line Items]
Net sales	245.5	194.7	735.4	533.6
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	245.5	194.7	735.4	533.6
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	173.4	116.8	503.5	355.7
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	173.1	116.4	501.7	354.6
Specialty Equipment | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	0.3	0.4	1.8	1.1
Other
Segment Reporting Information [Line Items]
Net sales	161.0	132.7	438.1	452.7
Other | Operating Segments | AWP
Segment Reporting Information [Line Items]
Net sales	158.8	123.9	425.5	423.4
Other | Operating Segments | MP
Segment Reporting Information [Line Items]
Net sales	0.1	0.2	0.6	2.3
Other | Corporate and Other / Eliminations
Segment Reporting Information [Line Items]
Net sales	$ 2.1	$ 8.6	$ 12.0	$ 27.0