Business Segment Information - Schedule of Net Sales by Geographical Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 1,945.7	$ 1,889.0
North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1,769.6	1,625.0
Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	92.9	159.6
Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	83.2	104.4
Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	(2.3)	(6.4)
Intersegment Eliminations | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	(2.3)	(6.4)
Access Equipment
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	883.0	736.6
Access Equipment | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	883.1	738.2
Access Equipment | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	732.9	555.4
Access Equipment | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	81.0	82.8
Access Equipment | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	69.2	100.0
Access Equipment | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.1	1.6
Defense
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	535.2	614.3
Defense | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	535.6	614.7
Defense | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	524.3	551.2
Defense | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	11.0	63.0
Defense | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.3	0.5
Defense | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.4	0.4
Fire & Emergency
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	286.5	308.7
Fire & Emergency | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	287.9	312.5
Fire & Emergency | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	275.4	296.8
Fire & Emergency | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues		13.3
Fire & Emergency | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	12.5	2.4
Fire & Emergency | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1.4	3.8
Commercial
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	241.0	228.8
Commercial | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	241.4	230.0
Commercial | Operating Segments | North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	239.3	228.0
Commercial | Operating Segments | Europe, Africa and Middle East
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	0.9	0.5
Commercial | Operating Segments | Rest of the World
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	1.2	1.5
Commercial | Intersegment Eliminations
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 0.4	$ 1.2