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Investments in Unconsolidated Affiliates - Summary of Investments in Unconsolidated Affiliates Accounted for Under Equity Method (Details) - USD ($) $ in Millions	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Equity method investment	$ 34.5		$ 42.9
Robotic Research LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	1.00%
Equity method investment	$ 11.2		11.2
AutoTech Fund II, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	7.00%
Equity method investment	$ 8.5		8.7
Carnegie Foundry LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	6.00%
Equity method investment	$ 4.7		4.8
Westly Capital Partners Fund IV, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	3.00%
Equity method investment	$ 3.8		2.8
BME Fire Trucks LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	25.00%
Equity method investment	$ 2.8		3.9
Construction Robotics, LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	9.00%
Equity method investment	$ 2.3		2.4
AutoTech Fund III, L.P.
Schedule Of Equity Method Investments [Line Items]
Equity method investment ownership percentage	6.00%
Equity method investment	$ 1.2		0.8
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

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