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v3.20.4

Retirement Plans and Post Retirement Benefits Defined Benefit Plans (Details) | 12 Months Ended
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Dec. 31, 2020
Retirement Benefits [Abstract] |
Maximum benefit amortization period | 20 years
Approximate percentage of assets represented by most significant plans | 79.00%
Approximate percentage of benefit obligations represented by most significant plans | 82.00%
Rate of eligible compensation increase | 5.00%

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- Definition Defined Benefit Plan, Maximum Amortization Period + References No definition available. + Details
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- Definition Defined Benefit Plan, Significant Plans, Approximate Percentage of Beneift Obligation Accounted for + References No definition available. + Details
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- Definition Defined Benefit Plan, Significant Plans, Approximate Percentage of Plan Assets Accounted for + References No definition available. + Details
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- Definition Defined Benefit Plan, Significant Plans, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase + References No definition available. + Details
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- References No definition available. + Details
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