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OPERATING SEGMENT DATA - (Rev and Expenses) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
REVENUES |  |  |  |  |
Revenues |  | $ 793,350 | $ 720,368 | $ 1,493,351 | $ 1,371,456
OPERATING EXPENSES |  |  |  |  |
Salaries, wages, and benefits |  | 355,913 | 349,200 | 684,670 | 681,790
Fuel, supplies, and expenses |  | 84,884 | 68,451 | 163,530 | 141,113
Depreciation and amortization |  | 27,187 | 25,209 | 53,673 | 50,603
Multiemployer pension fund withdrawal liability charge |  | 37,922 |  | 37,922 |
(Gain) loss on sale of property and equipment |  |  |  | (166) | (412)
Other |  | 30,408 | 35,141 | 59,663 | 63,981
Restructuring costs |  | 340 | 363 | 716 | 1,994
Total consolidated operating expenses |  | 790,194 | 694,601 | 1,477,470 | 1,355,589
OPERATING INCOME |  |  |  |  |
OPERATING INCOME |  | 3,156 | 25,767 | 15,881 | 15,867
OTHER INCOME (COSTS) |  |  |  |  |
Interest and dividend income |  | 714 | 285 | 1,240 | 559
Interest and other related financing costs |  | (2,013) | (1,389) | (4,072) | (2,704)
Other, net |  | (1,123) | (528) | (3,324) | (2,234)
TOTAL OTHER INCOME (COSTS) |  | (2,422) | (1,632) | (6,156) | (4,379)
INCOME BEFORE INCOME TAXES |  | 734 | 24,135 | 9,725 | 11,488
Asset-Based | Multiemployer pension plans | New England Pension Fund |  |  |  |  |
OPERATING EXPENSES |  |  |  |  |
Multiemployer pension fund withdrawal liability charge | $ 37,900 |  |  |  |
Operating Segments | Asset-Based |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  | 559,239 |  | 1,041,354 |
OPERATING EXPENSES |  |  |  |  |
Salaries, wages, and benefits |  | 286,750 | 286,904 | 556,529 | 566,284
Fuel, supplies, and expenses |  | 65,040 | 58,541 | 127,233 | 116,931
Operating taxes and licenses |  | 11,910 | 12,191 | 23,666 | 24,014
Insurance |  | 7,979 | 7,602 | 14,607 | 14,720
Communications and utilities |  | 4,135 | 4,168 | 8,656 | 8,685
Depreciation and amortization |  | 21,362 | 20,716 | 42,292 | 41,234
Rents and purchased transportation |  | 63,253 | 53,189 | 109,386 | 99,615
Shared services |  | 56,825 | 46,600 | 102,432 | 90,104
Multiemployer pension fund withdrawal liability charge |  | 37,922 |  | 37,922 |
(Gain) loss on sale of property and equipment |  | (266) | 25 | (399) | (592)
Other |  | 948 | 1,673 | 2,247 | 3,178
Restructuring costs |  |  | 33 |  | 173
Total consolidated operating expenses |  | 555,858 | 491,642 | 1,024,571 | 964,346
OPERATING INCOME |  |  |  |  |
OPERATING INCOME |  | 3,381 | 22,895 | 16,783 | 14,547
Operating Segments | ArcBest |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  | 199,987 |  | 381,920 |
OPERATING EXPENSES |  |  |  |  |
Purchased transportation |  | 162,920 | 139,432 | 311,292 | 261,419
Supplies and expenses |  | 3,538 | 3,742 | 6,768 | 7,412
Depreciation and amortization |  | 3,597 | 3,230 | 7,005 | 6,496
Shared services |  | 23,536 | 20,658 | 45,404 | 40,244
Other |  | 2,546 | 2,873 | 4,427 | 5,338
Restructuring costs |  | 143 | 65 | 152 | 875
Total consolidated operating expenses |  | 196,280 | 170,000 | 375,048 | 321,784
OPERATING INCOME |  |  |  |  |
OPERATING INCOME |  | 3,707 | 5,929 | 6,872 | 7,021
Operating Segments | FleetNet |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  | 46,792 |  | 94,551 |
OPERATING EXPENSES |  |  |  |  |
Total consolidated operating expenses |  | 45,763 | 35,754 | 92,001 | 74,971
OPERATING INCOME |  |  |  |  |
OPERATING INCOME |  | 1,029 | 747 | 2,550 | 1,768
Other and eliminations |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  | (12,668) |  | (24,474) |
OPERATING EXPENSES |  |  |  |  |
Total consolidated operating expenses |  | (7,707) | (2,795) | (14,150) | (5,512)
OPERATING INCOME |  |  |  |  |
OPERATING INCOME |  | $ (4,961) | (3,804) | $ (10,324) | (7,469)
Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  |  | 720,368 |  | 1,371,456
Calculated under Revenue Guidance in Effect before Topic 606 | Operating Segments | Asset-Based |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  |  | 514,537 |  | 978,893
Calculated under Revenue Guidance in Effect before Topic 606 | Operating Segments | ArcBest |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  |  | 175,929 |  | 328,805
Calculated under Revenue Guidance in Effect before Topic 606 | Operating Segments | FleetNet |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  |  | 36,501 |  | 76,739
Calculated under Revenue Guidance in Effect before Topic 606 | Other and eliminations |  |  |  |  |
REVENUES |  |  |  |  |
Revenues |  |  | $ (6,599) |  | $ (12,981)

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