Business Segment Information - Schedule of Net Sales by Geographical Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 2,846.9	$ 2,413.1	$ 5,390.7	$ 4,681.2
North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	2,522.0	2,055.8	4,765.9	3,984.5
Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	214.0	231.3	406.0	455.0
Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	110.9	126.0	218.8	241.7
Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	2,846.9	2,413.1	5,390.7	4,681.2
Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	(1.8)	(0.8)	(4.8)	(1.7)
Intersegment Eliminations | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	(1.8)	(0.8)	(4.8)	(1.7)
Intersegment Eliminations | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.0	0.0	0.0	0.0
Intersegment Eliminations | Rest of the World
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	1,406.9	1,328.3	2,644.4	2,521.5
Access Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1,406.9	1,328.3	2,644.4	2,521.5
Access Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1,169.7	1,051.9	2,201.6	2,000.5
Access Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	138.6	154.2	244.6	290.9
Access Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	98.6	122.2	198.2	230.1
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	596.9	497.8	1,131.5	1,010.6
Defense Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	598.7	498.1	1,135.6	1,011.2
Defense Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	542.3	425.7	1,003.1	853.3
Defense Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	56.3	72.1	132.2	157.4
Defense Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.1	0.3	0.3	0.5
Defense Segment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1.8	0.3	4.1	0.6
Vocational Segment
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	843.1	586.9	1,614.8	1,148.9
Vocational Segment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	843.1	587.5	1,615.5	1,150.2
Vocational Segment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	811.8	579.0	1,566.0	1,132.4
Vocational Segment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	19.1	5.0	29.2	6.7
Vocational Segment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	12.2	3.5	20.3	11.1
Vocational Segment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 0.0	$ 0.6	$ 0.7	$ 1.3