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Benefit Plans - Funded Status, Pension Plans (Details) - Pension Plans - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 29, 2019
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation $ (359,475) $ (368,245) $ (332,304)
Plan assets at fair value 328,250 319,699 $ 276,699
Net funded status $ (31,225) $ (48,546)