Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.4
Changes in Accumulated Other Comprehensive Loss - Changes in 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
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance $ 96,966 $ 101,852 $ 96,494 $ 97,929
Other comprehensive income (loss) before reclassifications     (519) 269
Amounts reclassified from accumulated other comprehensive loss     393 563
Total other comprehensive income (loss) 292 318 (126) 832
Ending Balance 97,896 97,539 97,896 97,539
Pension and Other Postretirement Benefits Items [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (6,970) (7,698)
Other comprehensive income (loss) before reclassifications     0 68
Amounts reclassified from accumulated other comprehensive loss     393 563
Total other comprehensive income (loss)     393 631
Ending Balance (6,577) (7,067) (6,577) (7,067)
Foreign Currency Items [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     499 301
Other comprehensive income (loss) before reclassifications     (519) 201
Amounts reclassified from accumulated other comprehensive loss     0 0
Total other comprehensive income (loss)     (519) 201
Ending Balance (20) 502 (20) 502
Accumulated Other Comprehensive Loss [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (6,889) (6,883) (6,471) (7,397)
Ending Balance $ (6,597) $ (6,565) $ (6,597) $ (6,565)