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OPERATING SEGMENT DATA - Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
OPERATING INCOME |  |
Operating income | $ 94,928 | $ 32,191
OTHER INCOME (COSTS) |  |
Interest and dividend income | 106 | 392
Interest and other related financing costs | (1,939) | (2,428)
Other, net | (826) | 1,192
Total other costs | (2,659) | (844)
INCOME BEFORE INCOME TAXES | 92,269 | 31,347
Operating Segments | Asset Based |  |
OPERATING INCOME |  |
Operating income | 80,034 | 30,055
Operating Segments | ArcBest |  |
OPERATING INCOME |  |
Operating income | 21,116 | 8,265
Operating Segments | FleetNet |  |
OPERATING INCOME |  |
Operating income | 1,717 | 1,023
Other and eliminations |  |
OPERATING INCOME |  |
Operating income | $ (7,939) | $ (7,152)

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