Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance $ 97,051 $ 103,200 $ 96,494 $ 97,929
Other comprehensive income before reclassifications     (680) 161
Amounts reclassified from accumulated other comprehensive loss     262 353
Total other comprehensive (loss) income (206) 216 (418) 514
Ending Balance 96,966 101,852 96,966 101,852
Pension and Other Postretirement Benefits Items [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (6,970) (7,698)
Other comprehensive income before reclassifications     0 68
Amounts reclassified from accumulated other comprehensive loss     262 353
Total other comprehensive (loss) income     262 421
Ending Balance (6,708) (7,277) (6,708) (7,277)
Foreign Currency Items [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     499 301
Other comprehensive income before reclassifications     (680) 93
Amounts reclassified from accumulated other comprehensive loss     0 0
Total other comprehensive (loss) income     (680) 93
Ending Balance (181) 394 (181) 394
Accumulated Other Comprehensive Loss [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (6,683) (7,099) (6,471) (7,397)
Ending Balance $ (6,889) $ (6,883) $ (6,889) $ (6,883)