Investments in Unconsolidated Affiliates - Summary of Investments in Unconsolidated Affiliates Accounted for Under Equity Method (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2021
Schedule Of Equity Method Investments [Line Items]
Equity method investment	$ 42.9	$ 30.9	$ 28.9
Mezcladores Trailers De Mexico S A De C V
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	49.00%
Equity method investment	$ 8.3	8.3	8.3
BME Fire Trucks LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	25.00%
Equity method investment	$ 3.9	5.1	5.1
Construction Robotics, LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	9.00%
Equity method investment	$ 2.4	2.6	2.9
AutoTech Fund III, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	9.00%
Equity method investment	$ 0.8
AutoTech Fund II, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	7.00%
Equity method investment	$ 8.7	8.6	6.5
Carnegie Foundry LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	6.00%
Equity method investment	$ 4.8	4.9	5.0
Westly Capital Partners Fund IV, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	5.00%
Equity method investment	$ 2.8	$ 1.4	$ 1.1
Robotic Research LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	2.00%
Equity method investment	$ 11.2