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)

v3.22.4
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, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income (loss) before benefit for income taxes $ 438 $ (4,591) $ 1,093 $ (9,134)
Benefit for income taxes 70 (861) 245 (1,786)
Net income (loss) 368 (3,730) 848 (7,348)
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 (loss) before benefit for income taxes [1] 169 (270) (505) (725)
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]        
Benefit for income taxes 38 (60) 112 (162)
Net income (loss) $ 131 $ (210) $ 393 $ (563)
[1] These accumulated other comprehensive loss components are included within the computation of pension and other postretirement benefit costs.