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)

v3.25.0.1
Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before provision (benefit) for income taxes $ 2,247 $ 55 $ 9,838 $ 4,115
Provision (benefit) for income taxes 659 (110) 2,003 899
Net Income (Loss) 1,588 165 7,835 3,216
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 provision (benefit) for income taxes [1] 196 211 586 632
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 (benefit) for income taxes 45 47 135 140
Net Income (Loss) $ 151 $ 164 $ 451 $ 492
[1] These accumulated other comprehensive loss components are included within the computation of pension and other postretirement benefit costs.