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Note 9. Employee Benefit Plans Estimated Future Funding (Details) - Defined Benefit Pension Plan $ in Millions	Dec. 31, 2018 USD ($)
Expected Future Benefit Payments, Fiscal Year Maturity
2019	$ 9
2020	9
2021	9
2022	9
2023	9
2024 through 2028	45
Estimated minimum funding required during 2019	$ 3

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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