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Significant Customer and Other Information - Significant Customer and Other Information (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024
Customer Concentration Risk [Member] | Customer A [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentration risk percentage	41.00%	34.00%	38.00%	35.00%
Customer Concentration Risk [Member] | Customer A [Member] | Accounts Receivable - Trade [Member]
Concentration Risk [Line Items]
Concentration risk percentage			48.00%		35.00%
Customer Concentration Risk [Member] | Customer C [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentration risk percentage	23.00%	26.00%	27.00%	27.00%
Customer Concentration Risk [Member] | Customer C [Member] | Accounts Receivable - Trade [Member]
Concentration Risk [Line Items]
Concentration risk percentage			2.00%		13.00%
Customer Concentration Risk [Member] | Customer B [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentration risk percentage	22.00%	23.00%	20.00%	21.00%
Customer Concentration Risk [Member] | Customer B [Member] | Accounts Receivable - Trade [Member]
Concentration Risk [Line Items]
Concentration risk percentage			20.00%		25.00%
Product Concentration Risk [Member] | Net Sales [Member]
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%	100.00%	100.00%
Product Concentration Risk [Member] | Net Sales [Member] | Rotating Electrical Products [Member]
Concentration Risk [Line Items]
Concentration risk percentage	68.00%	65.00%	67.00%	66.00%
Product Concentration Risk [Member] | Net Sales [Member] | Brake-Related Products [Member]
Concentration Risk [Line Items]
Concentration risk percentage	21.00%	21.00%	22.00%	21.00%
Product Concentration Risk [Member] | Net Sales [Member] | Wheel Hub Products [Member]
Concentration Risk [Line Items]
Concentration risk percentage	8.00%	11.00%	7.00%	10.00%
Product Concentration Risk [Member] | Net Sales [Member] | Other Products [Member]
Concentration Risk [Line Items]
Concentration risk percentage	3.00%	3.00%	4.00%	3.00%

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