Business Segment Information - Schedule of Net Sales by Product Lines and Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 2,543.8	$ 2,268.1
Access Segment
Segment Reporting Information [Line Items]
Revenues	1,237.5	1,193.2
Access Segment | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues	591.0	602.0
Access Segment | Telehandlers
Segment Reporting Information [Line Items]
Revenues	373.4	341.4
Access Segment | Other
Segment Reporting Information [Line Items]
Revenues	273.1	249.8
Defense Segment
Segment Reporting Information [Line Items]
Revenues	534.6	512.8
Vocational Segment
Segment Reporting Information [Line Items]
Revenues	771.7	562.0
Vocational Segment | Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	327.2	288.4
Vocational Segment | Refuse Collection
Segment Reporting Information [Line Items]
Revenues	147.3	141.9
Vocational Segment | Other
Segment Reporting Information [Line Items]
Revenues	297.2	131.7
Eliminations
Segment Reporting Information [Line Items]
Revenues	0.0	0.1
Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,543.8	2,268.1
Operating Segments | Access Segment
Segment Reporting Information [Line Items]
Revenues	1,237.5	1,193.2
Operating Segments | Access Segment | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues	591.0	602.0
Operating Segments | Access Segment | Telehandlers
Segment Reporting Information [Line Items]
Revenues	373.4	341.4
Operating Segments | Access Segment | Other
Segment Reporting Information [Line Items]
Revenues	273.1	249.8
Operating Segments | Defense Segment
Segment Reporting Information [Line Items]
Revenues	536.9	513.1
Operating Segments | Vocational Segment
Segment Reporting Information [Line Items]
Revenues	772.4	562.7
Operating Segments | Vocational Segment | Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	327.2	288.4
Operating Segments | Vocational Segment | Refuse Collection
Segment Reporting Information [Line Items]
Revenues	147.3	141.9
Operating Segments | Vocational Segment | Other
Segment Reporting Information [Line Items]
Revenues	297.9	132.4
Operating Segments | Eliminations
Segment Reporting Information [Line Items]
Revenues	(3.0)	(0.9)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(3.0)	(0.9)
Intersegment Eliminations | Access Segment
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Access Segment | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Access Segment | Telehandlers
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Access Segment | Other
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Defense Segment
Segment Reporting Information [Line Items]
Revenues	2.3	0.3
Intersegment Eliminations | Vocational Segment
Segment Reporting Information [Line Items]
Revenues	0.7	0.7
Intersegment Eliminations | Vocational Segment | Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Vocational Segment | Refuse Collection
Segment Reporting Information [Line Items]
Revenues	0.0	0.0
Intersegment Eliminations | Vocational Segment | Other
Segment Reporting Information [Line Items]
Revenues	0.7	0.7
Intersegment Eliminations | Eliminations
Segment Reporting Information [Line Items]
Revenues	$ (3.0)	$ (1.0)