Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified
|
9 Months Ended |
Sep. 30, 2013
|
Sep. 30, 2012
|
Condensed Financial Statements [Line Items] |
|
|
Repayments of long term debt |
$ 125,000
|
$ 125,000
|
Cash flows from operating activities: |
|
|
Net income |
17,064
|
57,265
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
Depreciation and amortization |
97,674
|
85,357
|
Loss on extinguishment of debt |
5,218
|
1,766
|
Gain on disposition of assets |
(2,759)
|
(2,466)
|
Deferred income tax expense |
12,872
|
8,403
|
Expenses not requiring cash |
9,928
|
15,724
|
Equity in net earnings of subsidiaries |
0
|
0
|
Change in other assets |
(1,346)
|
564
|
Change in accounts receivable |
(28,605)
|
24,648
|
Change in accrued income taxes |
2,877
|
(3,049)
|
Change in liabilities |
12,412
|
(10,185)
|
Net cash provided by operating activities |
125,335
|
178,027
|
Cash flows from investing activities: |
|
|
Capital expenditures |
(102,856)
|
(147,658)
|
Proceeds from the sale of assets |
5,533
|
3,496
|
Acquisition of ITS, net of cash acquired |
(117,991)
|
0
|
Intercompany dividend payment |
|
0
|
Net cash (used in) investing activities |
(215,314)
|
(144,162)
|
Cash flows from financing activities: |
|
|
Proceeds from debt issuance |
350,000
|
130,000
|
Cash flows from operating activities: |
|
125,000
|
Paydown on term note |
(50,000)
|
(18,000)
|
Payment of debt issuance costs |
(10,981)
|
(3,516)
|
Payments of debt extinguishment costs |
0
|
(519)
|
Excess tax benefit from stock-based compensation |
531
|
(572)
|
Intercompany advances, net |
0
|
0
|
Net cash provided by (used in) financing activities |
164,550
|
(17,607)
|
Net change in cash and cash equivalents |
74,571
|
16,258
|
Cash and cash equivalents, beginning of year |
87,886
|
97,869
|
Cash and cash equivalents, end of period |
162,457
|
114,127
|
Parent [Member]
|
|
|
Condensed Financial Statements [Line Items] |
|
|
Repayments of long term debt |
125,000
|
|
Cash flows from operating activities: |
|
|
Net income |
16,843
|
57,411
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
Depreciation and amortization |
0
|
0
|
Loss on extinguishment of debt |
5,218
|
1,766
|
Gain on disposition of assets |
0
|
0
|
Deferred income tax expense |
(2,860)
|
5,940
|
Expenses not requiring cash |
10,494
|
13,264
|
Equity in net earnings of subsidiaries |
(36,330)
|
(61,553)
|
Change in other assets |
3,045
|
(32,874)
|
Change in accounts receivable |
(899)
|
(291)
|
Change in accrued income taxes |
358
|
(5,068)
|
Change in liabilities |
14,222
|
12,917
|
Net cash provided by operating activities |
10,091
|
(8,488)
|
Cash flows from investing activities: |
|
|
Capital expenditures |
0
|
0
|
Proceeds from the sale of assets |
0
|
0
|
Acquisition of ITS, net of cash acquired |
0
|
|
Intercompany dividend payment |
|
(8,387)
|
Net cash (used in) investing activities |
0
|
(8,387)
|
Cash flows from financing activities: |
|
|
Proceeds from debt issuance |
350,000
|
130,000
|
Cash flows from operating activities: |
|
125,000
|
Paydown on term note |
(50,000)
|
(18,000)
|
Payment of debt issuance costs |
(10,981)
|
(3,516)
|
Payments of debt extinguishment costs |
|
(519)
|
Excess tax benefit from stock-based compensation |
531
|
(572)
|
Intercompany advances, net |
(127,376)
|
56,280
|
Net cash provided by (used in) financing activities |
37,174
|
38,673
|
Net change in cash and cash equivalents |
47,265
|
21,798
|
Cash and cash equivalents, beginning of year |
42,251
|
55,670
|
Cash and cash equivalents, end of period |
89,516
|
77,468
|
Guarantor [Member]
|
|
|
Condensed Financial Statements [Line Items] |
|
|
Repayments of long term debt |
0
|
|
Cash flows from operating activities: |
|
|
Net income |
27,612
|
63,505
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
Depreciation and amortization |
57,335
|
49,127
|
Loss on extinguishment of debt |
0
|
0
|
Gain on disposition of assets |
(1,917)
|
(1,168)
|
Deferred income tax expense |
10,479
|
4,868
|
Expenses not requiring cash |
591
|
689
|
Equity in net earnings of subsidiaries |
0
|
0
|
Change in other assets |
4,580
|
61,320
|
Change in accounts receivable |
(7,951)
|
766
|
Change in accrued income taxes |
(85)
|
1,832
|
Change in liabilities |
(2,116)
|
(21,430)
|
Net cash provided by operating activities |
88,528
|
159,509
|
Cash flows from investing activities: |
|
|
Capital expenditures |
(66,956)
|
(139,618)
|
Proceeds from the sale of assets |
2,751
|
1,667
|
Acquisition of ITS, net of cash acquired |
(292)
|
|
Intercompany dividend payment |
|
(4,357)
|
Net cash (used in) investing activities |
(64,497)
|
(142,308)
|
Cash flows from financing activities: |
|
|
Proceeds from debt issuance |
0
|
0
|
Cash flows from operating activities: |
|
0
|
Paydown on term note |
0
|
0
|
Payment of debt issuance costs |
0
|
0
|
Payments of debt extinguishment costs |
|
0
|
Excess tax benefit from stock-based compensation |
0
|
0
|
Intercompany advances, net |
(13,781)
|
(13,507)
|
Net cash provided by (used in) financing activities |
(13,781)
|
(13,507)
|
Net change in cash and cash equivalents |
10,250
|
3,694
|
Cash and cash equivalents, beginning of year |
11,023
|
4,212
|
Cash and cash equivalents, end of period |
21,273
|
7,906
|
Non-Guarantor [Member]
|
|
|
Condensed Financial Statements [Line Items] |
|
|
Repayments of long term debt |
0
|
|
Cash flows from operating activities: |
|
|
Net income |
8,939
|
42,011
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
Depreciation and amortization |
40,339
|
36,230
|
Loss on extinguishment of debt |
0
|
0
|
Gain on disposition of assets |
(842)
|
(1,298)
|
Deferred income tax expense |
5,253
|
(2,405)
|
Expenses not requiring cash |
(1,157)
|
1,770
|
Equity in net earnings of subsidiaries |
0
|
0
|
Change in other assets |
(8,971)
|
(27,882)
|
Change in accounts receivable |
(19,755)
|
24,173
|
Change in accrued income taxes |
2,604
|
187
|
Change in liabilities |
306
|
(1,672)
|
Net cash provided by operating activities |
26,716
|
71,114
|
Cash flows from investing activities: |
|
|
Capital expenditures |
(35,900)
|
(8,040)
|
Proceeds from the sale of assets |
2,782
|
1,829
|
Acquisition of ITS, net of cash acquired |
(117,699)
|
|
Intercompany dividend payment |
|
(31,364)
|
Net cash (used in) investing activities |
(150,817)
|
(37,575)
|
Cash flows from financing activities: |
|
|
Proceeds from debt issuance |
0
|
0
|
Cash flows from operating activities: |
|
0
|
Paydown on term note |
0
|
0
|
Payment of debt issuance costs |
0
|
0
|
Payments of debt extinguishment costs |
|
0
|
Excess tax benefit from stock-based compensation |
0
|
0
|
Intercompany advances, net |
141,157
|
(42,773)
|
Net cash provided by (used in) financing activities |
141,157
|
(42,773)
|
Net change in cash and cash equivalents |
17,056
|
(9,234)
|
Cash and cash equivalents, beginning of year |
34,612
|
37,987
|
Cash and cash equivalents, end of period |
51,668
|
28,753
|
Eliminations [Member]
|
|
|
Condensed Financial Statements [Line Items] |
|
|
Repayments of long term debt |
0
|
|
Cash flows from operating activities: |
|
|
Net income |
(36,330)
|
(105,662)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
Depreciation and amortization |
0
|
0
|
Loss on extinguishment of debt |
0
|
0
|
Gain on disposition of assets |
0
|
0
|
Deferred income tax expense |
0
|
0
|
Expenses not requiring cash |
0
|
1
|
Equity in net earnings of subsidiaries |
36,330
|
61,553
|
Change in other assets |
0
|
0
|
Change in accounts receivable |
0
|
0
|
Change in accrued income taxes |
0
|
0
|
Change in liabilities |
0
|
0
|
Net cash provided by operating activities |
0
|
(44,108)
|
Cash flows from investing activities: |
|
|
Capital expenditures |
0
|
0
|
Proceeds from the sale of assets |
0
|
0
|
Acquisition of ITS, net of cash acquired |
0
|
|
Intercompany dividend payment |
|
44,108
|
Net cash (used in) investing activities |
0
|
44,108
|
Cash flows from financing activities: |
|
|
Proceeds from debt issuance |
0
|
0
|
Cash flows from operating activities: |
|
0
|
Paydown on term note |
0
|
0
|
Payment of debt issuance costs |
0
|
0
|
Payments of debt extinguishment costs |
|
0
|
Excess tax benefit from stock-based compensation |
0
|
0
|
Intercompany advances, net |
0
|
0
|
Net cash provided by (used in) financing activities |
0
|
0
|
Net change in cash and cash equivalents |
0
|
0
|
Cash and cash equivalents, beginning of year |
0
|
0
|
Cash and cash equivalents, end of period |
$ 0
|
$ 0
|