Annual report pursuant to Section 13 and 15(d)

The Company and Its Accounting Policies - Additional Information (Detail)

v3.23.1
The Company and Its Accounting Policies - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Jun. 01, 2021
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Schedule Of Accounting Policies [Line Items]        
Minimum level of likelihood   50.00%    
Research and development costs   $ 4,144 $ 3,845 $ 3,367
Antidilutive securities excluded from computation of earnings per share     33 37
Interest paid   1,026 $ 417 $ 11
Income taxes paid (refunded)   185 2,012 200
Pension and other post retirement income (loss) adjustments, net of income tax   (500) 728 1,774
Issuance of treasury stock   279 9,167 222
Capital expenditures   483 177 173
Acquisition of Barber-Nichols, LLC   0 60,282 0
Employee Stock Purchase Plan [Member]        
Schedule Of Accounting Policies [Line Items]        
Issuance of treasury stock   $ 279 $ 204 $ 222
Barber Nichols Inc [Member]        
Schedule Of Accounting Policies [Line Items]        
Payments to Acquire Businesses, Gross $ 61,150      
Buildings and Leasehold Improvements [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range   40 years    
Minimum [Member] | Office Equipment [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range   3 years    
Minimum [Member] | Manufacturing Equipment [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range   8 years    
Maximum [Member] | Office Equipment [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range   8 years    
Maximum [Member] | Manufacturing Equipment [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range   25 years