Business Segment Information - Schedule of Net Sales by Geographical Segments (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024		Sep. 30, 2023
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		$ 2,741.4		$ 2,509.9		$ 8,132.1		$ 7,191.1
North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		2,417.3		2,137.5		7,183.2		6,122.0
Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		204.0		249.6		610.0		704.6
Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		120.1		122.8		338.9		364.5
Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		2,741.4		2,509.9		8,132.1		7,191.1
Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.0		0.0		0.0		0.0
Access Segment
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		1,363.3		1,318.2		4,007.7		3,839.7
Access Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		1,363.3		1,318.2		4,007.7		3,839.7
Access Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		1,130.3		1,048.4		3,331.9		3,048.9
Access Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		138.2		160.0		382.8		450.9
Access Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		94.8		109.8		293.0		339.9
Access Segment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.0		0.0		0.0		0.0
Defense Segment
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	[1]	539.8		474.0		1,619.6		1,439.7
Defense Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		540.4	[1]	474.6	[2],[3]	1,621.4	[1]	1,440.9	[2],[3]
Defense Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		495.9		401.1	[3]	1,447.4		1,209.6	[3]
Defense Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		44.3		73.3	[3]	173.5		230.6	[3]
Defense Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.2		0.2	[3]	0.5		0.7	[3]
Defense Segment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	[1]	0.6		0.6		1.8		1.2
Vocational Segment
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		814.0		692.2		2,428.8		1,841.3
Vocational Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		814.2		692.6		2,429.7		1,842.8
Vocational Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		768.3		663.5		2,334.3		1,795.9
Vocational Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		20.8		16.3		50.0		23.0
Vocational Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		25.1		12.8		45.4		23.9
Vocational Segment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.2		0.4		0.9		1.5
Corporate and Other
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	[1]	24.3		25.5		76.0		70.4
Corporate and Other | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		23.5	[1]	24.5	[2],[3]	73.3	[1]	67.7	[2],[3]
Corporate and Other | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		22.8		24.5	[3]	69.6		67.6	[3]
Corporate and Other | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.7		0.0	[3]	3.7		0.1	[3]
Corporate and Other | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		0.0		0.0	[3]	0.0		0.0	[3]
Corporate and Other | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	[1]	$ (0.8)		$ (1.0)		$ (2.7)		$ (2.7)

[1] Results have been reclassified to reflect the change in responsibility for Pratt Miller.

[2] Results have been reclassified to reflect the change in responsibility for Pratt Miller.

[3] Results have been reclassified to reflect the change in responsibility for Pratt Miller.