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Acquisition - Schedule of Final Purchase Price Allocation, After Adjustments of the Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands | Sep. 30, 2022 | Mar. 31, 2022 | Jun. 01, 2021
--- | --- | --- | ---
Assets acquired: |  |  |
Goodwill | $ 23,523 | $ 23,523 |
Barber-Nichols, Inc. [Member] |  |  |
Assets acquired: |  |  |
Cash and cash equivalents |  |  | $ 868
Accounts receivable, net of allowances |  |  | 8,074
Unbilled revenue |  |  | 7,068
Inventories |  |  | 3,549
Prepaid expenses and other current assets |  |  | 476
Property, plant & equipment, net |  |  | 8,037
Operating lease assets |  |  | 9,026
Goodwill |  |  | 23,523
Intangibles |  |  | 10,600
Total assets acquired |  |  | 93,121
Liabilities assumed: |  |  |
Accounts payable |  |  | 1,842
Accrued compensation |  |  | 1,341
Accrued expenses and other current liabilities |  |  | 707
Customer deposits |  |  | 6,048
Operating lease liabilities |  |  | 9,066
Other long term liabilities |  |  | 2,103
Total liabilities assumed |  |  | 21,107
Purchase price |  |  | 72,014
Customer Relationships [Member] | Barber-Nichols, Inc. [Member] |  |  |
Assets acquired: |  |  |
Intangibles |  |  | 11,800
Technology and Technical Know-How [Member] | Barber-Nichols, Inc. [Member] |  |  |
Assets acquired: |  |  |
Intangibles |  |  | $ 10,100

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