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OPERATING SEGMENT DATA (Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | $ 137,675 | $ 149,951 | $ 151,637
DEPRECIATION AND AMORTIZATION EXPENSE | 108,635 | 103,068 | 103,053
Amortization of intangibles | 4,521 | 4,538 | 4,239
Operating Segments | Asset-Based |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 116,505 | 112,751 | 110,170
DEPRECIATION AND AMORTIZATION EXPENSE | 85,951 | 82,507 | 80,331
Assets acquired through notes payable and capital leases | 86,800 | 84,200 | 83,400
Operating Segments | ArcBest |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 5,174 | 9,823 | 6,154
DEPRECIATION AND AMORTIZATION EXPENSE | 13,750 | 13,090 | 13,612
Amortization of intangibles | 4,300 | 4,300 | 4,000
Operating Segments | FleetNet |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 1,365 | 1,089 | 403
DEPRECIATION AND AMORTIZATION EXPENSE | 1,140 | 1,089 | 1,210
Amortization of intangibles | 200 | 200 | 200
Other and eliminations |  |  |
OPERATING SEGMENT DATA |  |  |
CAPITAL EXPENDITURES, GROSS | 14,631 | 26,288 | 34,910
DEPRECIATION AND AMORTIZATION EXPENSE | 7,794 | $ 6,382 | $ 7,900
Assets acquired through notes payable | $ 6,900 |  |

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