Annual report pursuant to Section 13 and 15(d)

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

v3.22.1
The Company and Its Accounting Policies - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Jun. 01, 2021
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Schedule Of Accounting Policies [Line Items]        
Minimum level of likelihood     50.00%  
Research and development costs   $ 3,845 $ 3,367 $ 3,353
Antidilutive securities excluded from computation of earnings per share   33 37  
Interest paid   $ 417 $ 11 12
Income taxes paid (refunded)   2,012 200 139
Pension and other postretirement benefit income (loss) adjustments, net of tax   728 1,774 (525)
Issuance of treasury stock   9,167 222 170
Capital expenditures   177 173 162
Capital leases   0 0 0
Acquisition of Barber-Nichols, LLC   $ 60,282 0 0
Stock Issued During Period, Shares, Treasury Stock Reissued   610    
Employee Stock Purchase Plan [Member]        
Schedule Of Accounting Policies [Line Items]        
Issuance of treasury stock   $ 204    
Barber Nichols Inc [Member]        
Schedule Of Accounting Policies [Line Items]        
Issuance of treasury stock   8,964 $ 222 $ 170
Payments to Acquire Businesses, Gross $ 61,150 61,150    
Cash Acquired from Acquisition   $ 868    
Buildings and Leasehold Improvements [Member]        
Schedule Of Accounting Policies [Line Items]        
Estimated useful lives range     40 years  
Minimum [Member]        
Schedule Of Accounting Policies [Line Items]        
Treasury with original maturities period     3 months  
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]        
Schedule Of Accounting Policies [Line Items]        
Treasury with original maturities period     1 year  
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