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Employee Benefit Plans - Expected Benefit Payments (Details) - Pension Plans $ in Thousands	Dec. 31, 2019 USD ($)
Pension benefits expected to be paid
2020	$ 107,940
2021	110,416
2022	114,180
2023	117,439
2024	120,585
2025-2029	$ 628,854

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

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

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