Business Segment Information - Schedule of Net Sales by Product Lines and Reportable Segments (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024		Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenues		$ 2,732.1	$ 2,846.9		$ 5,044.9	$ 5,390.7
Operating Segments
Segment Reporting Information [Line Items]
Revenues		2,732.1	2,846.9		5,044.9	5,390.7
Operating Segments | Access Segment
Segment Reporting Information [Line Items]
Revenues		1,256.0	1,406.9		2,213.1	2,644.4
Operating Segments | Access Segment | Aerial Work Platforms
Segment Reporting Information [Line Items]
Revenues		638.0	675.6		1,088.8	1,266.6
Operating Segments | Access Segment | Telehandlers
Segment Reporting Information [Line Items]
Revenues		325.1	428.6		569.6	802.0
Operating Segments | Access Segment | Other
Segment Reporting Information [Line Items]
Revenues		292.9	302.7		554.7	575.8
Operating Segments | Vocational Segment
Segment Reporting Information [Line Items]
Revenues		969.7	843.1		1,836.5	1,615.5
Operating Segments | Vocational Segment | Municipal Fire Apparatus
Segment Reporting Information [Line Items]
Revenues	[1]	398.0	331.4		727.8	636.9
Operating Segments | Vocational Segment | Airport Products
Segment Reporting Information [Line Items]
Revenues	[1]	246.1	215.5		471.4	413.6
Operating Segments | Vocational Segment | Refuse and Recycling Collection Vehicles
Segment Reporting Information [Line Items]
Revenues		197.0	176.9		402.5	324.2
Operating Segments | Vocational Segment | Other
Segment Reporting Information [Line Items]
Revenues	[1]	128.6	119.3		234.8	240.8
Operating Segments | Transport Segment
Segment Reporting Information [Line Items]
Revenues		479.1	571.9	[2]	942.1	1,081.0	[2]
Operating Segments | Transport Segment | Defense
Segment Reporting Information [Line Items]
Revenues	[3]	372.0	535.6		784.7	1,044.7
Operating Segments | Transport Segment | Delivery Vehicles
Segment Reporting Information [Line Items]
Revenues		107.1	36.3		157.4	36.3
Operating Segments | Corporate and Other
Segment Reporting Information [Line Items]
Revenues	[3]	$ 27.3	$ 25.0	[2]	$ 53.2	$ 49.8	[2]

[1] Results for 2024 have been reclassified to reflect the separate presentation of the airport products product line.

[2] Results have been reclassified to reflect the move of Pratt Miller from the Transport segment to Corporate and Other.

[3] Results for 2024 have been reclassified to reflect the move of Pratt Miller from the Transport segment to Corporate and Other.