| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 |
|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | |||||||||||
Net loss | |||||||||||
-255,721 | -858,115 | -205,921 | -886,899 | -1,854,718 | 257,817 | -111,418 | 365,935 | 142,554 | 81,817 | -102,323 | 351,475 |
Adjustments to reconcile net loss to net cash provided by operating activities: | |||||||||||
Depreciation, depletion, amortization and accretion | |||||||||||
271,410 | 400,848 | 438,716 | 509,971 | 612,147 | 652,143 | 625,928 | 510,526 | 257,313 | 220,835 | 207,114 | 175,500 |
Writeoff of debt acquisition costs and note discount | |||||||||||
- | - | - | - | - | - | - | -3,460 | - | - | - | - |
Deferred income taxes | |||||||||||
3,247 | -61,058 | -182,553 | -142,520 | -288,671 | -49,567 | 14,435 | 11,218 | 48,073 | 8,276 | -74,704 | 98,093 |
Excess tax benefit from stock-based compensation | |||||||||||
- | - | - | - | - | - | - | - | 9,004 | 560 | 170 | - |
Gain loss from Equity method investment | |||||||||||
- | - | - | - | - | - | - | 17,880 | - | - | - | - |
Reduction in value of assets | |||||||||||
93,763 | 739,725 | 14,155 | 500,405 | 1,738,887 | - | 419,380 | - | 46,096 | 32,004 | 212,527 | - |
Right-of-use assets amortization | |||||||||||
20,613 | - | - | - | - | - | - | - | - | - | - | - |
Reduction in value of equity-method investments | |||||||||||
- | - | - | - | - | - | - | - | - | - | 36,486 | - |
Stock-based compensation expense | |||||||||||
19,814 | 31,451 | 36,503 | 41,779 | 46,485 | 42,748 | 35,832 | 36,570 | 14,032 | 33,602 | 11,785 | 12,182 |
Retirement and deferred compensation plan expense | |||||||||||
- | - | - | - | - | - | - | - | 1,990 | 4,825 | 1,550 | 15,255 |
(Earnings) losses from consolidated subsidiaries | |||||||||||
- | - | - | - | - | - | - | - | - | 0 | - | - |
(Earnings) losses from equity-method investments, net of cash received | |||||||||||
- | - | - | - | - | - | - | - | 13,152 | -2,905 | -28,606 | 7,102 |
Amortization of debt acquisition costs and note discount | |||||||||||
- | - | - | - | - | - | 8,919 | 9,856 | 25,178 | 23,954 | 21,744 | 19,963 |
(Gains) losses on sales of assets and businesses | |||||||||||
- | - | - | - | - | - | -657 | 5,763 | 8,558 | 1,083 | 2,084 | 40,946 |
Other reconciling items, net | |||||||||||
16,023 | 9,545 | -2,505 | -62,056 | -41,882 | 11,470 | 899 | 12,377 | 6,426 | 4,708 | - | - |
Changes in operating assets and liabilities: | |||||||||||
Accounts receivable | |||||||||||
-104,538 | 50,116 | 93,309 | -128,086 | -501,269 | 9,487 | -85,423 | 42,946 | 86,814 | 89,800 | -25,609 | 77,565 |
Prepaid expenses | |||||||||||
4,956 | 2,373 | 5,441 | - | - | - | - | - | - | - | - | - |
Inventory and other current assets | |||||||||||
6,137 | 7,559 | 2,455 | 7,646 | -33,282 | -53,594 | 70,995 | -62,720 | -2,182 | -85,687 | 51,320 | 184,602 |
Accounts payable | |||||||||||
-12,278 | 8,912 | 23,648 | 3,667 | -105,801 | 36,450 | -32,304 | -30,977 | 40,289 | 20,303 | -24,637 | 20,252 |
Accrued expenses | |||||||||||
-37,482 | -21,113 | -8,458 | -73,902 | -116,573 | 16,411 | 25,154 | -26,107 | 24,961 | 8,359 | -41,264 | -5,917 |
Decommissioning liabilities | |||||||||||
- | - | - | - | - | - | - | - | -504 | -1,759 | - | -6,160 |
Income taxes | |||||||||||
-1,258 | 2,320 | 99,089 | -107,643 | -30,891 | 46,134 | -162,148 | 152,093 | -1,378 | 10,510 | -2,301 | 12,434 |
Other, net | |||||||||||
33,102 | 8,320 | 20,053 | -33,898 | -55,314 | 1,762 | -56,158 | 10,691 | -15,972 | -20,806 | -29,485 | -19,497 |
Net cash provided by (used in) operating activities | |||||||||||
146,428 | 165,057 | 96,426 | 61,252 | 632,612 | 1,033,011 | 892,808 | 1,035,043 | 492,804 | 455,973 | 276,103 | 402,359 |
Cash flows from investing activities: | |||||||||||
Payments for capital expenditures | |||||||||||
140,465 | 221,370 | 164,933 | 80,548 | 358,226 | 616,102 | 608,960 | 1,141,922 | 484,648 | 323,244 | 286,277 | 453,861 |
Decrease in cash held in escrow | |||||||||||
- | - | - | - | - | - | - | -785,280 | 785,280 | - | - | - |
Proceeds from sales of assets | |||||||||||
110,008 | 33,299 | 28,269 | 7,515 | 19,260 | - | - | - | - | - | - | - |
Purchase of leased vessels | |||||||||||
- | - | - | - | 46,442 | - | - | - | - | - | - | - |
Proceeds from Sale of Available-for-sale Securities, Equity | |||||||||||
- | - | - | - | - | 10,622 | - | 41,874 | - | - | - | - |
Acquisitions of businesses, net of cash acquired | |||||||||||
- | - | - | - | - | 24,327 | 23,797 | 1,091,161 | 1,748 | 276,077 | 1,247 | 8,410 |
Cash proceeds from sale of businesses | |||||||||||
- | - | - | - | - | 147,305 | - | - | 22,349 | 5,250 | 7,716 | 155,312 |
Cash Proceeds From Sales of Assets And Businesses | |||||||||||
- | - | - | - | - | - | 6,292 | 193,166 | - | - | - | - |
Proceeds from Sale of Equity Method Investments | |||||||||||
- | - | - | - | - | - | - | 34,087 | - | - | - | - |
Proceeds from Insurance Settlement, Investing Activities | |||||||||||
- | - | - | - | - | - | 22,650 | - | - | - | - | - |
Purchase of short-term investments, net. | |||||||||||
- | - | - | - | - | - | - | - | 223,491 | - | - | - |
Proceeds from sale of short-term investments | |||||||||||
- | - | - | - | - | - | - | - | 223,630 | - | - | - |
Cash contributed to equity-method investment | |||||||||||
- | - | - | - | - | - | - | - | - | - | 8,694 | - |
Other | |||||||||||
- | - | - | 1,014 | 2,860 | -7,767 | 1,753 | -21,558 | 721 | 9,402 | 3,769 | 3,578 |
Net cash provided by (used in) investing activities | |||||||||||
-30,457 | -188,071 | -136,664 | -74,047 | -388,268 | -474,735 | -605,568 | -1,157,118 | -1,249,909 | -603,473 | -292,271 | -310,537 |
Cash flows from financing activities: | |||||||||||
Net payments on revolving line of credit | |||||||||||
- | - | - | - | - | - | - | - | - | - | 177,000 | - |
Proceeds from issuance of long-term debt | |||||||||||
- | - | 500,000 | - | 14,733 | 2,602 | - | 400,000 | 1,300,000 | - | - | - |
Principal payments on long-term debt | |||||||||||
- | - | 500,000 | 337,576 | 21,038 | 21,564 | 170,000 | 177,546 | 400,810 | 810 | 810 | 810 |
Payment of debt issuance costs | |||||||||||
- | - | 11,967 | 2,711 | - | - | - | 25,274 | 24,428 | 5,182 | 2,308 | - |
Purchases of treasury stock | |||||||||||
4,290 | - | - | - | - | 299,734 | 10,627 | - | - | - | - | 103,784 |
Cash dividends | |||||||||||
- | - | - | 12,111 | 48,139 | 49,756 | - | - | - | - | - | - |
Proceeds from revolving line of credit | |||||||||||
- | - | - | - | 7,475 | 14,736 | 581,771 | 696,439 | 324,913 | 575,867 | - | - |
Payments on revolving credit facility | |||||||||||
- | - | - | - | 7,475 | 14,736 | 581,771 | 771,439 | 424,913 | 577,867 | - | - |
Payment to extinguish capital lease obligation | |||||||||||
- | - | - | - | 20,933 | - | - | - | - | - | - | - |
Tax withholdings for vested restricted stock units | |||||||||||
1,677 | 5,199 | 8,326 | 3,669 | - | - | - | - | - | - | - | - |
Proceeds from exercise of stock options | |||||||||||
- | - | - | - | - | 10,560 | 6,264 | 14,777 | 10,263 | 927 | 375 | 4,274 |
Excess tax benefit from stock-based compensation | |||||||||||
- | - | - | - | - | - | - | - | 9,004 | 560 | 170 | 5,411 |
Proceeds from issuance of stock through employee benefit plans | |||||||||||
- | - | - | - | - | 4,870 | 4,124 | 2,855 | 2,206 | 1,891 | 1,958 | 1,558 |
Other | |||||||||||
675 | 2,613 | 3,268 | 587 | 6,518 | 724 | -6,840 | -5,973 | -9,662 | -3,443 | - | - |
Net cash used in financing activities | |||||||||||
-5,292 | -2,586 | -17,025 | -355,480 | -68,859 | -357,168 | -181,203 | 130,984 | 786,573 | -8,057 | 176,385 | -93,351 |
Effect of exchange rate changes on cash | |||||||||||
961 | -3,135 | 3,654 | -7,959 | -4,514 | -4,109 | -1,189 | 2,016 | 79 | -221 | 1,435 | -5,267 |
Net change in cash, cash equivalents, and restricted cash | |||||||||||
111,640 | -28,735 | -53,609 | -376,234 | 170,971 | 196,999 | 104,848 | 10,925 | 29,547 | -155,778 | 161,652 | -6,796 |
Supplemental Disclosure of Cash Flow Information: | |||||||||||
Cash Payments: | |||||||||||
Interest paid | |||||||||||
99,585 | 101,056 | 88,125 | 93,353 | - | - | - | - | - | - | - | - |
Income taxes paid (net of income tax refunds received) | |||||||||||
5,354 | 3,137 | -117,376 | -28,933 | - | - | - | - | - | - | - | - |
Non-cash investing activity: | |||||||||||
Capital expenditures included in accounts payable and accrued expenses | |||||||||||
10,567 | 26,259 | 11,522 | 4,905 | - | - | - | - | - | - | - | - |