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v3.3.1.900

Segment Data (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) Segment | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Segment Data [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | Segment |  |  |  |  |  |  |  |  | 2 |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Marine transportation |  |  |  |  |  |  |  |  | $ 1,663,090,000 | $ 1,770,684,000 | $ 1,713,167,000
Diesel engine services |  |  |  |  |  |  |  |  | 484,442,000 | 795,634,000 | 529,028,000
Total revenues | $ 484,138,000 | $ 532,565,000 | $ 543,156,000 | $ 587,673,000 | $ 668,297,000 | $ 680,721,000 | $ 628,054,000 | $ 589,246,000 | 2,147,532,000 | 2,566,318,000 | 2,242,195,000
Segment profit (loss) | 80,115,000 | 90,623,000 | 93,072,000 | 97,902,000 | 108,783,000 | 122,928,000 | 121,679,000 | 101,000,000 | 361,712,000 | 454,390,000 | 408,678,000
Total assets | 4,156,266,000 |  |  |  | 4,141,909,000 |  |  |  | 4,156,266,000 | 4,141,909,000 | 3,682,517,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 192,240,000 | 169,312,000 | 164,437,000
Capital expenditures |  |  |  |  |  |  |  |  | 345,475,000 | 355,144,000 | 253,227,000
Other segment disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |
Interest expense | (4,280,000) | (4,449,000) | (4,759,000) | (5,250,000) | (5,149,000) | (5,225,000) | (5,469,000) | (5,618,000) | (18,738,000) | (21,461,000) | (27,872,000)
Gain on disposition of assets | (426,000) | 400,000 | (91,000) | (1,555,000) | (156,000) | (47,000) | (527,000) | (51,000) | (1,672,000) | (781,000) | (888,000)
Other income (expense) | 9,000 | $ 22,000 | $ (303,000) | $ 60,000 | 125,000 | $ 27,000 | $ 123,000 | $ (236,000) | (663,000) | (345,000) | 20,000
Details of "Other" total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Investment in affiliates | 2,090,000 |  |  |  | 2,539,000 |  |  |  | 2,090,000 | 2,539,000 |
Total assets | 4,156,266,000 |  |  |  | 4,141,909,000 |  |  |  | 4,156,266,000 | 4,141,909,000 | 3,682,517,000
Reporting Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Marine transportation |  |  |  |  |  |  |  |  | 1,663,090,000 | 1,770,684,000 | 1,713,167,000
Diesel engine services |  |  |  |  |  |  |  |  | 484,442,000 | 795,634,000 | 529,028,000
Total revenues |  |  |  |  |  |  |  |  | 2,147,532,000 | 2,566,318,000 | 2,242,195,000
Segment profit (loss) |  |  |  |  |  |  |  |  | 361,712,000 | 454,390,000 | 408,678,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 192,240,000 | 169,312,000 | 164,437,000
Capital expenditures |  |  |  |  |  |  |  |  | 345,475,000 | 355,144,000 | 253,227,000
Marine Transportation [Member] | Reporting Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment profit (loss) |  |  |  |  |  |  |  |  | 374,842,000 | 429,864,000 | 408,255,000
Total assets | 3,451,553,000 |  |  |  | 3,317,696,000 |  |  |  | 3,451,553,000 | 3,317,696,000 | 3,046,692,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 175,798,000 | 154,019,000 | 149,574,000
Capital expenditures |  |  |  |  |  |  |  |  | 311,862,000 | 340,315,000 | 237,964,000
Details of "Other" total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets | 3,451,553,000 |  |  |  | 3,317,696,000 |  |  |  | 3,451,553,000 | 3,317,696,000 | 3,046,692,000
Marine Transportation [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 26,203,000 | 25,769,000 | 27,669,000
Segment profit (loss) |  |  |  |  |  |  |  |  | 2,620,000 | 2,577,000 | 2,767,000
Diesel Engine Services [Member] | Reporting Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment profit (loss) |  |  |  |  |  |  |  |  | 18,921,000 | 60,063,000 | 42,767,000
Total assets | 637,549,000 |  |  |  | 736,129,000 |  |  |  | 637,549,000 | 736,129,000 | 576,472,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 12,498,000 | 11,463,000 | 11,096,000
Capital expenditures |  |  |  |  |  |  |  |  | 28,907,000 | 7,486,000 | 4,658,000
Details of "Other" total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets | 637,549,000 |  |  |  | 736,129,000 |  |  |  | 637,549,000 | 736,129,000 | 576,472,000
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets | 67,164,000 |  |  |  | 88,084,000 |  |  |  | 67,164,000 | 88,084,000 | 59,353,000
Other segment disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |
General corporate expenses |  |  |  |  |  |  |  |  | (14,773,000) | (14,896,000) | (15,728,000)
Interest expense |  |  |  |  |  |  |  |  | (18,738,000) | (21,461,000) | (27,872,000)
Gain on disposition of assets |  |  |  |  |  |  |  |  | 1,672,000 | 781,000 | 888,000
Other income (expense) |  |  |  |  |  |  |  |  | (212,000) | 39,000 | 368,000
Profit (loss) from other segment |  |  |  |  |  |  |  |  | (32,051,000) | (35,537,000) | (42,344,000)
Details of "Other" total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
General corporate assets | 65,074,000 |  |  |  | 85,545,000 |  |  |  | 65,074,000 | 85,545,000 | 57,197,000
Investment in affiliates | 2,090,000 |  |  |  | 2,539,000 |  |  |  | 2,090,000 | 2,539,000 | 2,156,000
Total assets | 67,164,000 |  |  |  | 88,084,000 |  |  |  | 67,164,000 | 88,084,000 | 59,353,000
Other [Member] | Reporting Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment profit (loss) |  |  |  |  |  |  |  |  | (32,051,000) | (35,537,000) | (42,344,000)
Total assets | 67,164,000 |  |  |  | 88,084,000 |  |  |  | 67,164,000 | 88,084,000 | 59,353,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 3,944,000 | 3,830,000 | 3,767,000
Capital expenditures |  |  |  |  |  |  |  |  | 4,706,000 | 7,343,000 | 10,605,000
Details of "Other" total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total assets | $ 67,164,000 |  |  |  | $ 88,084,000 |  |  |  | $ 67,164,000 | $ 88,084,000 | $ 59,353,000

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