XML 71 R61.htm IDEA: XBRL DOCUMENT v3.24.3
STOCKHOLDERS' EQUITY - AOCI Components (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income            
Total after-tax amount $ 1,307,096 $ 1,231,538 $ 1,242,363 $ 1,220,733 $ 1,211,361 $ 1,151,401
Accumulated Other Comprehensive Income            
Accumulated Other Comprehensive Income            
Total pre-tax amount 3,144   5,817      
Total after-tax amount 2,346 $ 2,473 4,324 5,586 $ 6,569 7,103
Unrecognized Net Periodic Benefit Credit            
Accumulated Other Comprehensive Income            
Total pre-tax amount 6,066   6,816      
Total after-tax amount 4,504   5,061 6,155   6,896
Interest Rate Swap            
Accumulated Other Comprehensive Income            
Total pre-tax amount 219   1,710      
Total after-tax amount 161   1,263 1,823   2,604
Foreign Currency Translation            
Accumulated Other Comprehensive Income            
Total pre-tax amount (3,141)   (2,709)      
Total after-tax amount $ (2,319)   $ (2,000) $ (2,392)   $ (2,397)