Annual report pursuant to Section 13 and 15(d)

Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail)

v3.22.1
Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Income before provision for income taxes $ (11,216) $ 3,267 $ 2,312
(Benefit) provision for income taxes (2,443) 893 440
Net (loss) income (8,773) 2,374 $ 1,872
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Amortization of Actuarial Loss [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Income before provision for income taxes [1] (996) (1,066)  
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Pension and Other Postretirement Benefits Items [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Income before provision for income taxes (996) (1,066)  
(Benefit) provision for income taxes (221) (238)  
Net (loss) income $ (775) $ (828)  
[1] These accumulated other comprehensive loss components are included within the computation of net periodic pension and other postretirement benefit costs. See Note 11.