v3.25.1

Commitment and Contingencies - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended	277 Months Ended
	Sep. 30, 2024 USD ($)	Mar. 31, 2025 USD ($) claim	Mar. 31, 2024 USD ($)	Aug. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)
Asbestos-Related Damages
Loss Contingencies [Line Items]
Pending claims, approximate number \| claim		1,195
Payment for settled claims and awards related damages, including interest					$ 96.0
Loss contingency accrual	$ 99.6				$ 99.6
Discontinued Operations \| Asbestos-Related Damages and Legal Costs
Loss Contingencies [Line Items]
Loss contingency payments		$ 4.4	$ 3.0
Discontinued Operations \| Asbestos-Related Damages
Loss Contingencies [Line Items]
Incremental pre-tax provision	$ 29.3
Minimum \| Asbestos-Related Damages
Loss Contingencies [Line Items]
Estimate of possible loss				$ 99.6
Loss contingency, increase (decrease) of estimated possible loss				15.6
Minimum \| Asbestos-Related Legal Costs
Loss Contingencies [Line Items]
Estimate of possible loss				49.8
Maximum \| Asbestos-Related Damages
Loss Contingencies [Line Items]
Estimate of possible loss				210.8
Loss contingency, increase (decrease) of estimated possible loss				75.5
Maximum \| Asbestos-Related Legal Costs
Loss Contingencies [Line Items]
Estimate of possible loss				$ 115.9

Loss Contingency, Increase (Decrease) of Estimated Possible Loss

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STANDARD MOTOR PRODUCTS, INC. 10-Q