Goodwill and Other Intangibles Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 111,608	$ 111,621	$ 111,539
Accumulated amortization	(37,133)	(31,520)	(25,410)
Net carrying value	74,475	80,101	86,129
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	86,500	86,500	86,500
Accumulated amortization	(21,559)	(17,693)	(13,828)
Net carrying value	$ 64,941	$ 68,807	$ 72,672
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	11 years	11 years	11 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	13 years	13 years	13 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years	5 years	5 years
Gross carrying value	$ 11,100	$ 11,100	$ 11,100
Accumulated amortization	(7,155)	(6,045)	(4,935)
Net carrying value	$ 3,945	5,055	6,165
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	13 years
Gross carrying value	$ 9,300	9,300	9,300
Accumulated amortization	(5,492)	(5,319)	(4,746)
Net carrying value	3,808	$ 3,981	$ 4,554
Developed Technology Rights [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life		3 years	3 years
Developed Technology Rights [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life		13 years	13 years
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	4,000	$ 4,000	$ 4,000
Accumulated amortization	(2,250)	(1,775)	(1,300)
Net carrying value	$ 1,750	$ 2,225	$ 2,700
Noncompete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	4 years	4 years	4 years
Noncompete Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years	5 years	5 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years	5 years	5 years
Gross carrying value	$ 708	$ 721	$ 639
Accumulated amortization	(677)	(688)	(601)
Net carrying value	$ 31	$ 33	$ 38