Segment Information (Details)	3 Months Ended		6 Months Ended
	Sep. 30, 2023 USD ($) Segment	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2023 USD ($)
Segment Information [Abstract]
Number of operating segments | Segment	3
Selected Financial Data [Abstract]
Net sales	$ 196,639,000	$ 172,543,000	$ 356,344,000	$ 336,528,000
Operating income (loss)	13,937,000	1,852,000	24,378,000	9,187,000
Segment assets	1,066,772,000		1,066,772,000		$ 1,028,565,000
Interest expense, net	(15,383,000)	(9,283,000)	(27,103,000)	(16,204,000)
Change in fair value of compound net derivative liability	(390,000)	0	(530,000)	0
Loss on extinguishment of debt	(168,000)	0	(168,000)	0
Total consolidated loss before income tax benefit	(2,004,000)	(7,431,000)	(3,423,000)	(7,017,000)
Hard Parts [Member]
Selected Financial Data [Abstract]
Net sales	184,421,000	166,061,000	334,168,000	318,489,000
All Other [Member]
Selected Financial Data [Abstract]
Net sales	12,218,000	6,482,000	22,176,000	18,039,000
Operating Segments [Member]
Selected Financial Data [Abstract]
Operating income (loss)	13,903,000	1,959,000	24,330,000	9,290,000
Depreciation and amortization	2,933,000	3,090,000	5,966,000	6,214,000
Segment assets	1,126,451,000	1,065,492,000	1,126,451,000	1,065,492,000
Capital expenditures	129,000	1,269,000	169,000	2,644,000
Operating Segments [Member] | Hard Parts [Member]
Selected Financial Data [Abstract]
Net sales	184,489,000	166,264,000	334,368,000	318,839,000
Operating income (loss)	15,203,000	7,174,000	26,709,000	16,785,000
Depreciation and amortization	2,589,000	2,724,000	5,268,000	5,475,000
Segment assets	1,074,783,000	1,022,669,000	1,074,783,000	1,022,669,000	1,032,739,000
Capital expenditures	91,000	1,194,000	131,000	2,536,000
Operating Segments [Member] | All Other [Member]
Selected Financial Data [Abstract]
Net sales	12,256,000	6,498,000	22,309,000	18,197,000
Operating income (loss)	(1,300,000)	(5,215,000)	(2,379,000)	(7,495,000)
Depreciation and amortization	344,000	366,000	698,000	739,000
Segment assets	51,668,000	42,823,000	51,668,000	42,823,000	49,778,000
Capital expenditures	38,000	75,000	38,000	108,000
Intersegment Sales [Member]
Selected Financial Data [Abstract]
Net sales	(106,000)	(219,000)	(333,000)	(508,000)
Operating income (loss)	34,000	(107,000)	48,000	(103,000)
Segment assets	(59,679,000)		(59,679,000)		$ (53,952,000)
Intersegment Sales [Member] | Hard Parts [Member]
Selected Financial Data [Abstract]
Net sales	68,000	203,000	200,000	350,000
Intersegment Sales [Member] | All Other [Member]
Selected Financial Data [Abstract]
Net sales	$ 38,000	$ 16,000	$ 133,000	$ 158,000