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PENSION (Fair Value) (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | $ 912,702 | $ 1,156,616
Cash And Cash Equivalents [Member] |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 33,272 | 36,788
EquitySecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 388,343 | 771,655
DebtSecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 481,169 | 343,630
Other Plan Assets |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 9,918 | 4,543
FairValueInputsLevel1Member |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 748,888 | 889,600
FairValueInputsLevel1Member | Cash And Cash Equivalents [Member] |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 730 | 3,632
FairValueInputsLevel1Member | EquitySecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 370,028 | 655,995
FairValueInputsLevel1Member | DebtSecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 373,963 | 229,973
FairValueInputsLevel1Member | Other Plan Assets |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 4,167 |
FairValueInputsLevel2Member |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 158,063 | 262,473
FairValueInputsLevel2Member | Cash And Cash Equivalents [Member] |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 32,542 | 33,156
FairValueInputsLevel2Member | EquitySecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 18,315 | 115,660
FairValueInputsLevel2Member | DebtSecuritiesMember |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 107,206 | 113,657
FairValueInputsLevel3Member |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | 5,751 | 4,543
FairValueInputsLevel3Member | Other Plan Assets |  |
Defined Benefit Plan Fair Value Disclosure [Line Items] |  |
DefinedBenefitPlanFairValueOfPlanAssets | $ 5,751 | $ 4,543

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