Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation Of Revenue [Line Items]
Net sales	$ 2,846.9	$ 2,413.1	$ 5,390.7	$ 4,681.2
Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	2,846.9	2,413.1	5,390.7	4,681.2
Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	(1.8)	(0.8)	(4.8)	(1.7)
Transferred at Point in Time
Disaggregation Of Revenue [Line Items]
Net sales	2,007.7	1,798.9	3,789.2	3,429.2
Transferred at Point in Time | Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	(1.8)	(0.8)	(4.8)	(1.7)
Transferred over Time
Disaggregation Of Revenue [Line Items]
Net sales	839.2	614.2	1,601.5	1,252.0
Transferred over Time | Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Access Segment
Disaggregation Of Revenue [Line Items]
Net sales	1,406.9	1,328.3	2,644.4	2,521.5
Access Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	1,406.9	1,328.3	2,644.4	2,521.5
Access Segment | Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Access Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	1,388.3	1,315.3	2,609.9	2,495.8
Access Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	18.6	13.0	34.5	25.7
Defense Segment
Disaggregation Of Revenue [Line Items]
Net sales	596.9	497.8	1,131.5	1,010.6
Defense Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	598.7	498.1	1,135.6	1,011.2
Defense Segment | Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	1.8	0.3	4.1	0.6
Defense Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	1.8	2.7	4.1	6.2
Defense Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	596.9	495.4	1,131.5	1,005.0
Vocational Segment
Disaggregation Of Revenue [Line Items]
Net sales	843.1	586.9	1,614.8	1,148.9
Vocational Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	843.1	587.5	1,615.5	1,150.2
Vocational Segment | Eliminations
Disaggregation Of Revenue [Line Items]
Net sales	0.0	0.6	0.7	1.3
Vocational Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	619.4	481.7	1,180.0	928.9
Vocational Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	$ 223.7	$ 105.8	$ 435.5	$ 221.3