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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Operating activities: |  |  |
Net loss |  | $ (50,211) |
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization |  | 22,572 |
Amortization of deferred drydocking and survey costs |  | 2,230 |
Amortization of debt premium and discounts |  | (900) |
Gain on asset dispositions, net |  | (3,257) |
Asset impairments | [1] | 7,401 |
Changes in investments in, at equity, and advances to unconsolidated companies |  | 27,881 |
Compensation expense - stock-based |  | 6,139 |
Changes in assets and liabilities, net: |  |  |
Trade and other receivables |  | (15,097) |
Changes in due to/from related parties, net |  | 19,869 |
Marine operating supplies |  | (711) |
Other current assets |  | 8,752 |
Accounts payable |  | 1,709 |
Accrued expenses |  | (6,652) |
Accrued property and liability losses |  | 205 |
Other current liabilities |  | 5,590 |
Other liabilities |  | 11 |
Cash paid for deferred drydocking and survey costs |  | (13,394) |
Other, net |  | 4,846 |
Net cash provided by operating activities |  | 16,983 |
Cash flows from investing activities: |  |  |
Proceeds from sales of assets |  | 12,968 |
Additions to properties and equipment |  | (5,775) |
Net cash provided by (used in) investing activities |  | 7,193 |
Cash flows from financing activities: |  |  |
Principal payment on long-term debt |  | (2,637) |
Payments to General Unsecured Creditors |  | (8,377) |
Other |  | (1,998) |
Net cash used in financing activities |  | (13,012) |
Net change in cash, cash equivalents and restricted cash |  | 11,164 |
Cash, cash equivalents and restricted cash at beginning of period |  | 453,335 |
Cash, cash equivalents and restricted cash at end of period |  | 464,499 |
Cash paid during the period for: |  |  |
Interest, net of amounts capitalized |  | 16,134 |
Income taxes |  | $ 10,083 |
Predecessor |  |  |
Operating activities: |  |  |
Net loss |  |  | $ (611,382)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |
Reorganization items |  |  | 308,011
Depreciation and amortization |  |  | 73,879
Provision for deferred income taxes |  |  | (7,743)
Gain on asset dispositions, net |  |  | (9,253)
Asset impairments | [1] |  | 228,280
Changes in investments in, at equity, and advances to unconsolidated companies |  |  | (9,163)
Compensation expense - stock-based |  |  | (562)
Excess tax liability on stock option activity |  |  | 4,927
Changes in assets and liabilities, net: |  |  |
Trade and other receivables |  |  | 57,701
Changes in due to/from related parties, net |  |  | 22,983
Marine operating supplies |  |  | (922)
Other current assets |  |  | (22,668)
Accounts payable |  |  | (15,384)
Accrued expenses |  |  | 17,870
Accrued property and liability losses |  |  | (816)
Other current liabilities |  |  | (1,216)
Other liabilities |  |  | 3,135
Other, net |  |  | 9,110
Net cash provided by operating activities |  |  | 46,787
Cash flows from investing activities: |  |  |
Proceeds from sales of assets |  |  | 3,072
Additions to properties and equipment |  |  | (9,982)
Proceeds related to novated vessel construction contract |  |  | 5,272
Net cash provided by (used in) investing activities |  |  | (1,638)
Cash flows from financing activities: |  |  |
Principal payment on long-term debt |  |  | (5,048)
Other |  |  | (6,127)
Net cash used in financing activities |  |  | (11,175)
Net change in cash, cash equivalents and restricted cash |  |  | 33,974
Cash, cash equivalents and restricted cash at beginning of period |  |  | 649,804
Cash, cash equivalents and restricted cash at end of period |  |  | 683,778
Cash paid during the period for: |  |  |
Interest, net of amounts capitalized |  |  | 8,651
Income taxes |  |  | 5,778
Supplemental disclosure of non-cash investing activities: |  |  |
Additions to properties and equipment |  |  | $ 282
[1] | Refer to Note (14) for additional information regarding asset impairment.

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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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