Business Segment Information - Schedule of Net Sales by Product Lines and Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 2,268.1	$ 1,945.7
Access
Segment Reporting Information [Line Items]
Revenues	1,193.2	883.0
Access | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues	602.0	439.7
Access | Telehandlers
Segment Reporting Information [Line Items]
Revenues	341.4	229.7
Access | Other
Segment Reporting Information [Line Items]
Revenues	249.8	213.6
Defense
Segment Reporting Information [Line Items]
Revenues	512.8	535.2
Vocational
Segment Reporting Information [Line Items]
Revenues	562.0	527.5
Vocational | Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	288.4	279.9
Vocational | Refuse Collection
Segment Reporting Information [Line Items]
Revenues	141.9	129.3
Vocational | Other
Segment Reporting Information [Line Items]
Revenues	131.7	118.3
Corporate and Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	0.1
Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,268.1	1,945.7
Operating Segments | Access
Segment Reporting Information [Line Items]
Revenues	1,193.2	883.1
Operating Segments | Access | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues	602.0	439.7
Operating Segments | Access | Telehandlers
Segment Reporting Information [Line Items]
Revenues	341.4	229.7
Operating Segments | Access | Other
Segment Reporting Information [Line Items]
Revenues	249.8	213.7
Operating Segments | Defense
Segment Reporting Information [Line Items]
Revenues	513.1	535.6
Operating Segments | Vocational
Segment Reporting Information [Line Items]
Revenues	562.7	529.3
Operating Segments | Vocational | Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	288.4	279.9
Operating Segments | Vocational | Refuse Collection
Segment Reporting Information [Line Items]
Revenues	141.9	129.3
Operating Segments | Vocational | Other
Segment Reporting Information [Line Items]
Revenues	132.4	120.1
Operating Segments | Corporate and Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(0.9)	(2.3)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(0.9)	(2.3)
Intersegment Eliminations | Access
Segment Reporting Information [Line Items]
Revenues		0.1
Intersegment Eliminations | Access | Other
Segment Reporting Information [Line Items]
Revenues		0.1
Intersegment Eliminations | Defense
Segment Reporting Information [Line Items]
Revenues	0.3	0.4
Intersegment Eliminations | Vocational
Segment Reporting Information [Line Items]
Revenues	0.7	1.8
Intersegment Eliminations | Vocational | Other
Segment Reporting Information [Line Items]
Revenues	0.7	1.8
Intersegment Eliminations | Corporate and Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	$ (1.0)	$ (2.3)