Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statements of Cash Flows (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Cash flows from operating activities: |
|
|
|
| Net income (loss) |
$ (118,701)
|
$ (230,814)
|
$ (94,284)
|
| Adjustments to reconcile net income (loss): |
|
|
|
| Depreciation and amortization |
122,373
|
139,795
|
156,194
|
| Accretion of contingent consideration |
0
|
419
|
826
|
| Loss on extinguishment of debt |
|
1,088
|
0
|
| (Gain) loss on disposition of assets |
2,851
|
1,613
|
(1,643)
|
| Deferred tax expense (benefit) |
(224)
|
69,062
|
2,709
|
| Excess tax benefit (expense) from stock-based compensation |
0
|
|
(1,045)
|
| Provision for reduction in carrying value of certain assets |
1,938
|
0
|
12,490
|
| Expenses not requiring cash |
4,251
|
2,518
|
6,136
|
| Equity in net earnings of subsidiaries |
0
|
0
|
0
|
| Change in assets and liabilities: |
|
|
|
| Accounts and notes receivable |
(9,628)
|
60,391
|
103,995
|
| Rig materials and supplies |
4,710
|
(1,752)
|
2,722
|
| Other current assets |
(1,319)
|
2,140
|
12,548
|
| Accounts payable and accrued liabilities |
(8,714)
|
(19,494)
|
(27,425)
|
| Accrued income taxes |
538
|
(6,422)
|
(7,957)
|
| Other assets |
8,658
|
3,897
|
(3,156)
|
| Net cash provided by (used in) operating activities |
6,733
|
22,441
|
162,110
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(54,533)
|
(28,954)
|
(88,197)
|
| Proceeds from the sale of assets |
403
|
2,441
|
830
|
| Proceeds from insurance settlements |
0
|
0
|
2,500
|
| Acquisitions, net of cash acquired |
0
|
0
|
(13,806)
|
| Divestitures, net of cash paid |
0
|
0
|
(2,570)
|
| Net cash provided by (used in) investing activities |
(54,130)
|
(26,513)
|
(101,243)
|
| Cash flows from financing activities: |
|
|
|
| Proceeds from the issuance of common stock |
25,200
|
0
|
0
|
| Proceeds from the issuance of mandatory convertible preferred stock |
50,000
|
0
|
0
|
| Payment of equity issuance costs |
(2,864)
|
0
|
0
|
| Mandatory convertible preferred stock dividend |
(2,145)
|
0
|
0
|
| Shares surrendered in lieu of tax |
(936)
|
(1,156)
|
(1,033)
|
| Payment for noncontrolling interest |
0
|
(3,375)
|
0
|
| Payment of contingent consideration |
0
|
(6,000)
|
(2,000)
|
| Intercompany advances, net |
|
0
|
0
|
| Proceeds from debt issuance |
|
|
0
|
| Repayments of long-term debt |
0
|
0
|
(30,000)
|
| Payments of debt issuance costs |
0
|
0
|
(1,996)
|
| Net cash provided by (used in) financing activities |
69,255
|
(10,531)
|
(35,029)
|
| Net increase (decrease) in cash and cash equivalents |
21,858
|
(14,603)
|
25,838
|
| Cash and cash equivalents at beginning of year |
119,691
|
134,294
|
108,456
|
| Cash and cash equivalents at end of year |
141,549
|
119,691
|
134,294
|
| Reportable Legal Entities | Parent |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net income (loss) |
(118,701)
|
(230,814)
|
(95,073)
|
| Adjustments to reconcile net income (loss): |
|
|
|
| Depreciation and amortization |
0
|
0
|
0
|
| Accretion of contingent consideration |
|
0
|
0
|
| Loss on extinguishment of debt |
|
1,088
|
0
|
| (Gain) loss on disposition of assets |
0
|
0
|
0
|
| Deferred tax expense (benefit) |
4,785
|
47,971
|
(18,715)
|
| Excess tax benefit (expense) from stock-based compensation |
|
|
(1,045)
|
| Provision for reduction in carrying value of certain assets |
|
0
|
|
| Expenses not requiring cash |
5,651
|
9,545
|
7,344
|
| Equity in net earnings of subsidiaries |
40,752
|
94,469
|
36,631
|
| Change in assets and liabilities: |
|
|
|
| Accounts and notes receivable |
0
|
0
|
(33)
|
| Rig materials and supplies |
0
|
0
|
0
|
| Other current assets |
(50,296)
|
50,296
|
19,885
|
| Accounts payable and accrued liabilities |
(4,393)
|
(121,016)
|
10,228
|
| Accrued income taxes |
79,319
|
(10,381)
|
15,368
|
| Other assets |
24,722
|
(299)
|
(198,955)
|
| Net cash provided by (used in) operating activities |
(58,913)
|
(159,141)
|
(224,365)
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
0
|
0
|
0
|
| Proceeds from the sale of assets |
0
|
0
|
0
|
| Proceeds from insurance settlements |
|
|
0
|
| Acquisitions, net of cash acquired |
|
|
(3,375)
|
| Divestitures, net of cash paid |
|
|
0
|
| Net cash provided by (used in) investing activities |
0
|
0
|
(3,375)
|
| Cash flows from financing activities: |
|
|
|
| Proceeds from the issuance of common stock |
25,200
|
|
|
| Proceeds from the issuance of mandatory convertible preferred stock |
50,000
|
|
|
| Payment of equity issuance costs |
(2,864)
|
|
|
| Mandatory convertible preferred stock dividend |
(2,145)
|
|
|
| Shares surrendered in lieu of tax |
(936)
|
(1,156)
|
(1,033)
|
| Payment for noncontrolling interest |
|
(3,375)
|
|
| Payment of contingent consideration |
|
0
|
0
|
| Intercompany advances, net |
|
154,687
|
298,026
|
| Proceeds from debt issuance |
|
|
0
|
| Repayments of long-term debt |
|
|
(30,000)
|
| Payments of debt issuance costs |
|
|
(1,996)
|
| Net cash provided by (used in) financing activities |
69,255
|
150,156
|
264,997
|
| Net increase (decrease) in cash and cash equivalents |
10,342
|
(8,985)
|
37,257
|
| Cash and cash equivalents at beginning of year |
65,000
|
73,985
|
36,728
|
| Cash and cash equivalents at end of year |
75,342
|
65,000
|
73,985
|
| Reportable Legal Entities | Guarantor |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net income (loss) |
(1,611)
|
(49,625)
|
(13,875)
|
| Adjustments to reconcile net income (loss): |
|
|
|
| Depreciation and amortization |
81,260
|
90,218
|
95,071
|
| Accretion of contingent consideration |
|
419
|
826
|
| Loss on extinguishment of debt |
|
0
|
0
|
| (Gain) loss on disposition of assets |
247
|
565
|
(439)
|
| Deferred tax expense (benefit) |
(7,750)
|
14,846
|
11,718
|
| Excess tax benefit (expense) from stock-based compensation |
|
|
0
|
| Provision for reduction in carrying value of certain assets |
|
0
|
2,088
|
| Expenses not requiring cash |
(218)
|
(1,624)
|
854
|
| Equity in net earnings of subsidiaries |
0
|
0
|
0
|
| Change in assets and liabilities: |
|
|
|
| Accounts and notes receivable |
(16,540)
|
25,923
|
61,818
|
| Rig materials and supplies |
(760)
|
(73)
|
51
|
| Other current assets |
34,941
|
(35,322)
|
(16,257)
|
| Accounts payable and accrued liabilities |
56,354
|
97,315
|
(21,396)
|
| Accrued income taxes |
(60,882)
|
(626)
|
(9,405)
|
| Other assets |
(35,829)
|
101
|
186,591
|
| Net cash provided by (used in) operating activities |
49,212
|
142,117
|
297,645
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(42,990)
|
(15,384)
|
(58,817)
|
| Proceeds from the sale of assets |
68
|
437
|
500
|
| Proceeds from insurance settlements |
|
|
0
|
| Acquisitions, net of cash acquired |
|
|
(10,431)
|
| Divestitures, net of cash paid |
|
|
0
|
| Net cash provided by (used in) investing activities |
(42,922)
|
(14,947)
|
(68,748)
|
| Cash flows from financing activities: |
|
|
|
| Proceeds from the issuance of common stock |
0
|
|
|
| Proceeds from the issuance of mandatory convertible preferred stock |
0
|
|
|
| Payment of equity issuance costs |
0
|
|
|
| Mandatory convertible preferred stock dividend |
0
|
|
|
| Shares surrendered in lieu of tax |
0
|
|
|
| Payment for noncontrolling interest |
|
0
|
|
| Payment of contingent consideration |
|
(6,000)
|
(2,000)
|
| Intercompany advances, net |
|
(120,659)
|
(226,589)
|
| Proceeds from debt issuance |
|
|
0
|
| Repayments of long-term debt |
|
|
0
|
| Payments of debt issuance costs |
|
|
0
|
| Net cash provided by (used in) financing activities |
0
|
(126,659)
|
(228,589)
|
| Net increase (decrease) in cash and cash equivalents |
6,290
|
511
|
308
|
| Cash and cash equivalents at beginning of year |
14,365
|
13,854
|
13,546
|
| Cash and cash equivalents at end of year |
20,655
|
14,365
|
13,854
|
| Reportable Legal Entities | Non-Guarantor |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net income (loss) |
(39,141)
|
(44,844)
|
(21,967)
|
| Adjustments to reconcile net income (loss): |
|
|
|
| Depreciation and amortization |
41,113
|
49,577
|
61,123
|
| Accretion of contingent consideration |
|
0
|
0
|
| Loss on extinguishment of debt |
|
0
|
0
|
| (Gain) loss on disposition of assets |
2,604
|
1,048
|
(1,204)
|
| Deferred tax expense (benefit) |
2,741
|
6,245
|
9,706
|
| Excess tax benefit (expense) from stock-based compensation |
|
|
0
|
| Provision for reduction in carrying value of certain assets |
1,938
|
0
|
10,402
|
| Expenses not requiring cash |
9,880
|
(5,403)
|
(2,062)
|
| Equity in net earnings of subsidiaries |
0
|
0
|
0
|
| Change in assets and liabilities: |
|
|
|
| Accounts and notes receivable |
13,483
|
34,468
|
42,210
|
| Rig materials and supplies |
5,470
|
(1,679)
|
2,671
|
| Other current assets |
14,036
|
(12,834)
|
8,920
|
| Accounts payable and accrued liabilities |
262,884
|
4,207
|
(16,257)
|
| Accrued income taxes |
(17,899)
|
4,585
|
(13,920)
|
| Other assets |
(280,675)
|
4,095
|
9,208
|
| Net cash provided by (used in) operating activities |
16,434
|
39,465
|
88,830
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
(11,543)
|
(13,570)
|
(29,380)
|
| Proceeds from the sale of assets |
335
|
2,004
|
330
|
| Proceeds from insurance settlements |
|
|
2,500
|
| Acquisitions, net of cash acquired |
|
|
0
|
| Divestitures, net of cash paid |
|
|
(2,570)
|
| Net cash provided by (used in) investing activities |
(11,208)
|
(11,566)
|
(29,120)
|
| Cash flows from financing activities: |
|
|
|
| Proceeds from the issuance of common stock |
0
|
|
|
| Proceeds from the issuance of mandatory convertible preferred stock |
0
|
|
|
| Payment of equity issuance costs |
0
|
|
|
| Mandatory convertible preferred stock dividend |
0
|
|
|
| Shares surrendered in lieu of tax |
0
|
|
|
| Payment for noncontrolling interest |
|
0
|
|
| Payment of contingent consideration |
|
0
|
0
|
| Intercompany advances, net |
|
(34,028)
|
(71,437)
|
| Proceeds from debt issuance |
|
|
0
|
| Repayments of long-term debt |
|
|
0
|
| Payments of debt issuance costs |
|
|
0
|
| Net cash provided by (used in) financing activities |
0
|
(34,028)
|
(71,437)
|
| Net increase (decrease) in cash and cash equivalents |
5,226
|
(6,129)
|
(11,727)
|
| Cash and cash equivalents at beginning of year |
40,326
|
46,455
|
58,182
|
| Cash and cash equivalents at end of year |
45,552
|
40,326
|
46,455
|
| Eliminations |
|
|
|
| Cash flows from operating activities: |
|
|
|
| Net income (loss) |
40,752
|
94,469
|
36,631
|
| Adjustments to reconcile net income (loss): |
|
|
|
| Depreciation and amortization |
0
|
0
|
0
|
| Accretion of contingent consideration |
|
0
|
0
|
| Loss on extinguishment of debt |
|
0
|
0
|
| (Gain) loss on disposition of assets |
0
|
0
|
0
|
| Deferred tax expense (benefit) |
0
|
0
|
0
|
| Excess tax benefit (expense) from stock-based compensation |
|
|
0
|
| Provision for reduction in carrying value of certain assets |
|
0
|
|
| Expenses not requiring cash |
(11,062)
|
0
|
0
|
| Equity in net earnings of subsidiaries |
(40,752)
|
(94,469)
|
(36,631)
|
| Change in assets and liabilities: |
|
|
|
| Accounts and notes receivable |
(6,571)
|
0
|
0
|
| Rig materials and supplies |
0
|
0
|
0
|
| Other current assets |
0
|
0
|
0
|
| Accounts payable and accrued liabilities |
(323,559)
|
0
|
0
|
| Accrued income taxes |
0
|
0
|
0
|
| Other assets |
300,440
|
0
|
0
|
| Net cash provided by (used in) operating activities |
0
|
0
|
0
|
| Cash flows from investing activities: |
|
|
|
| Capital expenditures |
0
|
0
|
0
|
| Proceeds from the sale of assets |
0
|
0
|
0
|
| Proceeds from insurance settlements |
|
|
0
|
| Acquisitions, net of cash acquired |
|
|
0
|
| Divestitures, net of cash paid |
|
|
0
|
| Net cash provided by (used in) investing activities |
0
|
0
|
0
|
| Cash flows from financing activities: |
|
|
|
| Proceeds from the issuance of common stock |
0
|
|
|
| Proceeds from the issuance of mandatory convertible preferred stock |
0
|
|
|
| Payment of equity issuance costs |
0
|
|
|
| Mandatory convertible preferred stock dividend |
0
|
|
|
| Shares surrendered in lieu of tax |
0
|
|
|
| Payment for noncontrolling interest |
|
0
|
|
| Payment of contingent consideration |
|
0
|
0
|
| Intercompany advances, net |
|
0
|
0
|
| Proceeds from debt issuance |
|
|
0
|
| Repayments of long-term debt |
|
|
0
|
| Payments of debt issuance costs |
|
|
0
|
| Net cash provided by (used in) financing activities |
0
|
0
|
0
|
| Net increase (decrease) in cash and cash equivalents |
0
|
0
|
0
|
| Cash and cash equivalents at beginning of year |
0
|
0
|
0
|
| Cash and cash equivalents at end of year |
$ 0
|
$ 0
|
$ 0
|