Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.3
Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before benefit for income taxes $ 4,297 $ 654 $ 7,591 $ 4,060
Provision for income taxes 1,016 243 1,344 1,009
Net Income (Loss) 3,281 411 6,247 3,051
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Amortization of Actuarial income (loss) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before benefit for income taxes [1] 195 210 390 421
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]        
Provision for income taxes 45 46 90 93
Net Income (Loss) $ 150 $ 164 $ 300 $ 328
[1] These accumulated other comprehensive loss components are included within the computation of pension and other postretirement benefit costs.