Year ended December31, 2016 (In thousands) Wireless Cable Wireline Other Eliminations Consolidated Totals External revenues Service revenues $ 359,769 $ 99,070 $ 19,646   $ 478,485 Other revenues 24,364 7,927 24,512   56,803 Total external revenues 384,133 106,997 44,158   535,288 Internal revenues 4,620 1,737 30,816  (37,173 )  Total operating revenues 388,753 108,734 74,974  (37,173 ) 535,288 Operating expenses Costs of goods and services, exclusive of depreciation and amortization shown separately below 133,113 58,581 36,259  (34,433 ) 193,520 Selling, general and administrative, exclusive of depreciation and amortization shown below 95,851 19,248 6,474 14,492 (2,740 ) 133,325 Integration and acquisition expenses 25,927   16,305  42,232 Depreciation and amortization 107,621 23,908 11,717 439  143,685 Total operating expenses 362,512 101,737 54,450 31,236 (37,173 ) 512,762 Operating income (loss) $ 26,241 $ 6,997 $ 20,524 $ (31,236 ) $  $ 22,526 Year ended December31, 2015 (In thousands) Wireless Cable Wireline Other Eliminations Consolidated Totals External revenues Service revenues $ 192,752 $ 88,980 $ 19,386   $ 301,118 Other revenues 11,609 7,793 21,965   41,367 Total external revenues 204,361 96,773 41,351   342,485 Internal revenues 4,440 849 26,069  (31,358 )  Total operating revenues 208,801 97,622 67,420  (31,358 ) 342,485 Operating expenses Costs of goods and services, exclusive of depreciation and amortization shown separately below 63,570 54,611 31,668  (28,519 ) 121,330 Selling, general and administrative, exclusive of depreciation and amortization shown below 35,792 19,412 6,612 13,844 (2,839 ) 72,821 Integration and acquisition expenses    3,546  3,546 Depreciation and amortization 34,416 23,097 12,736 453  70,702 Total operating expenses 133,778 97,120 51,016 17,843 (31,358 ) 268,399 Operating income (loss) $ 75,023 $ 502 $ 16,404 $ (17,843 ) $  $ 74,086 Year ended December31, 2014 (In thousands) Wireless Cable Wireline Other Eliminations Consolidated Totals E