XML 132 R105.htm IDEA: XBRL DOCUMENT v3.25.4
BENEFIT PLANS: Information about Plan Assets, Fair Value of Plan Assets by Measurement (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension Plan      
Defined Benefit Plan Disclosure      
Fair value of plan assets $ 1,023,375 $ 951,142 $ 917,513
Postretirement Benefits      
Defined Benefit Plan Disclosure      
Fair value of plan assets 31,531 [1] 31,128 [1] $ 31,804
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Fair value of plan assets 11,625 24,946  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Intermediate Bonds      
Defined Benefit Plan Disclosure      
Fair value of plan assets 246,455 224,705  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Equity Securities: Large Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 54,168 49,848  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Equity Securities: Mid Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 106,437 103,117  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Equity Securities: Small Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 85,047 82,932  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Equity Securities: Micro-Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 43,752 38,871  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Equity Securities: International      
Defined Benefit Plan Disclosure      
Fair value of plan assets 63,998 58,767  
Fair Value, Inputs, Level 1, 2 and 3 | Pension Plan | Defined Benefit Plan, Equity Securities, Non-US [Member]      
Defined Benefit Plan Disclosure      
Fair value of plan assets 3,433 6,093  
Fair Value, Inputs, Level 1 | Pension Plan      
Defined Benefit Plan Disclosure      
Fair value of plan assets 410,786 404,751  
Fair Value, Inputs, Level 1 | Pension Plan | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Fair value of plan assets 11,625 24,946  
Fair Value, Inputs, Level 1 | Pension Plan | Intermediate Bonds      
Defined Benefit Plan Disclosure      
Fair value of plan assets 42,326 40,177  
Fair Value, Inputs, Level 1 | Pension Plan | Equity Securities: Large Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 54,168 49,848  
Fair Value, Inputs, Level 1 | Pension Plan | Equity Securities: Mid Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 106,437 103,117  
Fair Value, Inputs, Level 1 | Pension Plan | Equity Securities: Small Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 85,047 82,932  
Fair Value, Inputs, Level 1 | Pension Plan | Equity Securities: Micro-Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 43,752 38,871  
Fair Value, Inputs, Level 1 | Pension Plan | Equity Securities: International      
Defined Benefit Plan Disclosure      
Fair value of plan assets 63,998 58,767  
Fair Value, Inputs, Level 1 | Pension Plan | Defined Benefit Plan, Equity Securities, Non-US [Member]      
Defined Benefit Plan Disclosure      
Fair value of plan assets 3,433 6,093  
Fair Value, Inputs, Level 1 | Postretirement Benefits      
Defined Benefit Plan Disclosure      
Fair value of plan assets [1] 1,224 3,054  
Fair Value, Inputs, Level 2 | Pension Plan      
Defined Benefit Plan Disclosure      
Fair value of plan assets 204,129 184,528  
Fair Value, Inputs, Level 2 | Pension Plan | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Intermediate Bonds      
Defined Benefit Plan Disclosure      
Fair value of plan assets 204,129 184,528  
Fair Value, Inputs, Level 2 | Pension Plan | Equity Securities: Large Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Equity Securities: Mid Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Equity Securities: Small Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Equity Securities: Micro-Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Equity Securities: International      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Pension Plan | Defined Benefit Plan, Equity Securities, Non-US [Member]      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 2 | Postretirement Benefits      
Defined Benefit Plan Disclosure      
Fair value of plan assets [1] 30,307 28,074  
Fair Value, Inputs, Level 3 | Pension Plan      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Intermediate Bonds      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Equity Securities: Large Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Equity Securities: Mid Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Equity Securities: Small Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Equity Securities: Micro-Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Equity Securities: International      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Pension Plan | Defined Benefit Plan, Equity Securities, Non-US [Member]      
Defined Benefit Plan Disclosure      
Fair value of plan assets 0 0  
Fair Value, Inputs, Level 3 | Postretirement Benefits      
Defined Benefit Plan Disclosure      
Fair value of plan assets [1] 0 0  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Equity Securities: International      
Defined Benefit Plan Disclosure      
Fair value of plan assets 146,047 124,559  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Equity Securities: Emerging Markets      
Defined Benefit Plan Disclosure      
Fair value of plan assets 52,305 41,590  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Real Estate      
Defined Benefit Plan Disclosure      
Fair value of plan assets 77,141 72,913  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Private market investments      
Defined Benefit Plan Disclosure      
Fair value of plan assets 71,760 62,976  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Direct Lending Fund: Fixed Income      
Defined Benefit Plan Disclosure      
Fair value of plan assets 8,377 5,479  
Fair Value Measured at Net Asset Value Per Share | Pension Plan | Comingled Fund: Equity Securities:Large-Cap      
Defined Benefit Plan Disclosure      
Fair value of plan assets $ 52,830 $ 54,346  
[1] The postretirement benefits assets are primarily life insurance contracts.