Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024		Jun. 30, 2025	Jun. 30, 2024
Disaggregation Of Revenue [Line Items]
Net sales		$ 2,732.1	$ 2,846.9		$ 5,044.9	$ 5,390.7
Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		2,732.1	2,846.9		5,044.9	5,390.7
Transferred at Point in Time
Disaggregation Of Revenue [Line Items]
Net sales		1,975.7	2,007.7		3,570.2	3,789.2
Transferred over Time
Disaggregation Of Revenue [Line Items]
Net sales		756.4	839.2		1,474.7	1,601.5
Access Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		1,256.0	1,406.9		2,213.1	2,644.4
Access Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		1,236.2	1,388.3		2,178.2	2,609.9
Access Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		19.8	18.6		34.9	34.5
Vocational Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		969.7	843.1		1,836.5	1,615.5
Vocational Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		725.9	619.4		1,358.5	1,180.0
Vocational Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		243.8	223.7		478.0	435.5
Transport Segment | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		479.1	571.9	[1]	942.1	1,081.0	[1]
Transport Segment | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		9.1	1.8	[1]	23.4	4.1	[1]
Transport Segment | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		470.0	570.1	[1]	918.7	1,076.9	[1]
Corporate and Other | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales	[2]	27.3	25.0	[1]	53.2	49.8	[1]
Corporate and Other | Transferred at Point in Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		4.5	(1.8)	[1]	10.1	(4.8)	[1]
Corporate and Other | Transferred over Time | Operating Segments
Disaggregation Of Revenue [Line Items]
Net sales		$ 22.8	$ 26.8	[1]	$ 43.1	$ 54.6	[1]

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

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