Income Taxes 2 of 2 (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 17,567	$ 16,038
Deferred tax assets:
State and foreign net operating loss carryforwards	10,075	7,404
Employee benefit plans	16,625	24,692
Insurance reserves	3,609	3,488
Accrued vacation and incentive costs	3,682	3,061
Federal tax credit carryforwards	12,427	13,238
Deferred Tax Asset Lease Liability	10,872	8,623
Equity compensation	3,927	2,782
Other	8,394	7,308
Valuation allowance	(16,147)	(15,103)
Deferred tax assets after valuation allowance	71,031	71,531
Deferred tax liabilities:
Property, plant, and equipment	(4,917)	(1,889)
Deferred Tax Liability Lease Asset	(10,130)	(8,446)
Intangible assets	(95,316)	(58,716)
Total deferred tax liabilities	(110,363)	(69,051)
Net deferred tax assets (liabilities)	(39,332)	2,480
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	141	132	$ 936
Reductions for prior year tax positions	0	0	(802)
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	281	0	0
Foreign currency translation	(8)	9	(2)
Unrecognized Tax Benefits, Ending Balance	$ 414	$ 141	$ 132