Leases, Cost Recognized in Consolidated Statement of Operations (Details) - USD ($)	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Lease cost [Abstract]
Operating lease cost	$ 13,176,000	$ 12,472,000	$ 11,527,000
Short-term lease cost	1,686,000	1,462,000	1,383,000
Variable lease cost	761,000	1,011,000	825,000
Finance lease cost [Abstract]
Amortization of finance lease assets	1,983,000	2,088,000	1,762,000
Interest on finance lease liabilities	262,000	345,000	379,000
Total lease cost	$ 17,868,000	$ 17,378,000	$ 15,876,000

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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