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 |
12 Months Ended |
Sep. 30, 2013
|
Sep. 30, 2012
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Cash flows from operating activities: |
|
|
|
|
|
Net income (loss) |
$ 17,064
|
$ 57,265
|
$ 37,098
|
$ (50,645)
|
$ (14,708)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
|
Depreciation and amortization |
97,674
|
85,357
|
113,017
|
112,136
|
115,030
|
Loss on extinguishment of debt |
5,218
|
1,766
|
2,130
|
|
7,209
|
Gain on disposition of assets |
(2,759)
|
(2,466)
|
(1,974)
|
(3,659)
|
(4,620)
|
Deferred income tax expense |
12,872
|
8,403
|
15,837
|
(48,375)
|
(1,308)
|
Impairment and other charges |
|
|
|
170,000
|
|
Provision for reduction in carrying value of certain assets |
|
|
0
|
1,350
|
1,952
|
Expenses not requiring cash |
9,928
|
15,724
|
22,600
|
12,833
|
14,829
|
Equity in net earnings of subsidiaries |
0
|
0
|
|
|
|
Change in accounts receivable |
(28,605)
|
24,648
|
15,241
|
(6,841)
|
20,752
|
Change in other assets |
(1,346)
|
564
|
(1,522)
|
(1,050)
|
3,231
|
Change in other assets |
|
|
|
|
(594)
|
Change in accrued income taxes |
2,877
|
(3,049)
|
(6,102)
|
2,141
|
(4,124)
|
Change in liabilities |
12,412
|
(10,185)
|
(2,657)
|
(22,767)
|
(14,992)
|
Net cash provided by (used in) operating activities |
125,335
|
178,027
|
189,699
|
225,885
|
123,550
|
Cash flows from investing activities: |
|
|
|
|
|
Capital expenditures |
(102,856)
|
(147,658)
|
(191,543)
|
(190,399)
|
(219,184)
|
Proceeds from the sale of assets |
5,533
|
3,496
|
3,937
|
5,535
|
6,475
|
Proceeds from insurance settlements |
|
|
|
250
|
|
Acquisition of ITS, net of cash acquired |
(117,991)
|
|
|
|
|
Intercompany dividend payment |
|
0
|
|
|
|
Net cash (used in) investing activities |
(215,314)
|
(144,162)
|
(187,606)
|
(184,614)
|
(212,709)
|
CASH FLOWS FROM FINANCING ACTIVITIES: |
|
|
|
|
|
Proceeds from debt issuance |
350,000
|
130,000
|
130,000
|
50,000
|
300,000
|
Proceeds from draw on revolver credit facility |
|
|
7,000
|
|
25,000
|
Paydown on senior notes |
(125,000)
|
(125,000)
|
(125,000)
|
|
(225,000)
|
Paydown on term note |
(50,000)
|
(18,000)
|
(18,000)
|
(21,000)
|
(12,000)
|
Paydown on revolver credit facility |
|
|
|
(25,000)
|
(42,000)
|
Payment of debt issuance costs |
(10,981)
|
(3,516)
|
(4,859)
|
(504)
|
(7,976)
|
Payment of debt extinguishment costs |
|
(519)
|
(555)
|
|
(7,466)
|
Proceeds from stock options exercised |
|
|
|
183
|
26
|
Excess tax benefit from stock-based compensation |
531
|
(572)
|
(662)
|
1,488
|
1,203
|
Intercompany advances, net |
0
|
0
|
|
|
|
Net cash provided by (used in) financing activities |
164,550
|
(17,607)
|
(12,076)
|
5,167
|
31,787
|
Net change in cash and cash equivalents |
74,571
|
16,258
|
(9,983)
|
46,438
|
(57,372)
|
Cash and cash equivalents at beginning of year |
87,886
|
97,869
|
97,869
|
51,431
|
108,803
|
Cash and cash equivalents at end of year |
162,457
|
114,127
|
87,886
|
97,869
|
51,431
|
Parent [Member]
|
|
|
|
|
|
Cash flows from operating activities: |
|
|
|
|
|
Net income (loss) |
16,843
|
57,411
|
37,313
|
(50,451)
|
(14,461)
|
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
|
2,130
|
|
7,209
|
Gain on disposition of assets |
0
|
0
|
|
|
|
Deferred income tax expense |
(2,860)
|
5,940
|
2,257
|
31,518
|
(4,845)
|
Expenses not requiring cash |
10,494
|
13,264
|
16,558
|
16,411
|
14,829
|
Equity in net earnings of subsidiaries |
(36,330)
|
(61,553)
|
(43,884)
|
23,484
|
22,962
|
Change in accounts receivable |
(899)
|
(291)
|
(445)
|
(288,333)
|
16,178
|
Change in other assets |
3,045
|
(32,874)
|
1,649
|
62,173
|
|
Change in other assets |
|
|
|
|
(2,505)
|
Change in accrued income taxes |
358
|
(5,068)
|
(4,055)
|
|
|
Change in liabilities |
14,222
|
12,917
|
3,914
|
(10,454)
|
(144)
|
Net cash provided by (used in) operating activities |
10,091
|
(8,488)
|
15,437
|
(215,652)
|
39,223
|
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)
|
(8,387)
|
|
|
Net cash (used in) investing activities |
0
|
(8,387)
|
(8,387)
|
|
|
CASH FLOWS FROM FINANCING ACTIVITIES: |
|
|
|
|
|
Proceeds from debt issuance |
350,000
|
130,000
|
130,000
|
50,000
|
300,000
|
Proceeds from draw on revolver credit facility |
|
|
7,000
|
|
25,000
|
Paydown on senior notes |
(125,000)
|
(125,000)
|
(125,000)
|
|
(225,000)
|
Paydown on term note |
(50,000)
|
(18,000)
|
(18,000)
|
(21,000)
|
(12,000)
|
Paydown on revolver credit facility |
|
|
|
(25,000)
|
(42,000)
|
Payment of debt issuance costs |
(10,981)
|
(3,516)
|
(4,859)
|
(504)
|
(7,976)
|
Payment of debt extinguishment costs |
|
(519)
|
(555)
|
|
(7,466)
|
Proceeds from stock options exercised |
|
|
|
183
|
26
|
Excess tax benefit from stock-based compensation |
531
|
(572)
|
(662)
|
1,488
|
1,203
|
Intercompany advances, net |
(127,376)
|
56,280
|
(8,393)
|
252,320
|
(115,364)
|
Net cash provided by (used in) financing activities |
37,174
|
38,673
|
(20,469)
|
257,487
|
(83,577)
|
Net change in cash and cash equivalents |
47,265
|
21,798
|
(13,419)
|
41,835
|
(44,354)
|
Cash and cash equivalents at beginning of year |
42,251
|
55,670
|
55,670
|
13,835
|
58,189
|
Cash and cash equivalents at end of year |
89,516
|
77,468
|
42,251
|
55,670
|
13,835
|
Guarantor [Member]
|
|
|
|
|
|
Cash flows from operating activities: |
|
|
|
|
|
Net income (loss) |
27,612
|
63,505
|
54,961
|
(49,106)
|
(1,046)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
|
Depreciation and amortization |
57,335
|
49,127
|
65,354
|
62,744
|
63,402
|
Loss on extinguishment of debt |
0
|
0
|
|
|
|
Gain on disposition of assets |
(1,917)
|
(1,168)
|
(775)
|
(2,706)
|
(2,067)
|
Deferred income tax expense |
10,479
|
4,868
|
15,429
|
(57,030)
|
2,323
|
Impairment and other charges |
|
|
|
170,000
|
|
Provision for reduction in carrying value of certain assets |
|
|
|
1,350
|
1,952
|
Expenses not requiring cash |
591
|
689
|
33,644
|
376
|
|
Equity in net earnings of subsidiaries |
0
|
0
|
|
|
|
Change in accounts receivable |
(7,951)
|
766
|
(1,788)
|
347,344
|
(14,763)
|
Change in other assets |
4,580
|
61,320
|
2,060
|
(16,724)
|
|
Change in other assets |
|
|
|
|
(13,454)
|
Change in accrued income taxes |
(85)
|
1,832
|
220
|
|
|
Change in liabilities |
(2,116)
|
(21,430)
|
(4,158)
|
(53,404)
|
7,793
|
Net cash provided by (used in) operating activities |
88,528
|
159,509
|
164,947
|
402,844
|
44,140
|
Cash flows from investing activities: |
|
|
|
|
|
Capital expenditures |
(66,956)
|
(139,618)
|
(176,333)
|
(174,999)
|
(169,784)
|
Proceeds from the sale of assets |
2,751
|
1,667
|
2,062
|
4,335
|
4,646
|
Proceeds from insurance settlements |
|
|
|
250
|
|
Acquisition of ITS, net of cash acquired |
(292)
|
|
|
|
|
Intercompany dividend payment |
|
(4,357)
|
(4,357)
|
|
|
Net cash (used in) investing activities |
(64,497)
|
(142,308)
|
(178,628)
|
(170,414)
|
(165,138)
|
CASH FLOWS FROM FINANCING ACTIVITIES: |
|
|
|
|
|
Proceeds from debt issuance |
0
|
0
|
|
|
|
Paydown on senior notes |
0
|
0
|
|
|
|
Paydown on term note |
0
|
0
|
|
|
|
Payment of debt issuance costs |
0
|
0
|
|
|
|
Payment of debt extinguishment costs |
|
0
|
|
|
|
Excess tax benefit from stock-based compensation |
0
|
0
|
|
|
|
Intercompany advances, net |
(13,781)
|
(13,507)
|
20,492
|
(230,535)
|
121,547
|
Net cash provided by (used in) financing activities |
(13,781)
|
(13,507)
|
20,492
|
(230,535)
|
121,547
|
Net change in cash and cash equivalents |
10,250
|
3,694
|
6,811
|
1,895
|
549
|
Cash and cash equivalents at beginning of year |
11,023
|
4,212
|
4,212
|
2,317
|
1,768
|
Cash and cash equivalents at end of year |
21,273
|
7,906
|
11,023
|
4,212
|
2,317
|
Non-Guarantor [Member]
|
|
|
|
|
|
Cash flows from operating activities: |
|
|
|
|
|
Net income (loss) |
8,939
|
42,011
|
32,816
|
25,428
|
(12,163)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
|
Depreciation and amortization |
40,339
|
36,230
|
47,663
|
49,392
|
51,628
|
Loss on extinguishment of debt |
0
|
0
|
|
|
|
Gain on disposition of assets |
(842)
|
(1,298)
|
(1,199)
|
(953)
|
(2,553)
|
Deferred income tax expense |
5,253
|
(2,405)
|
(1,849)
|
(22,863)
|
1,214
|
Expenses not requiring cash |
(1,157)
|
1,770
|
(27,602)
|
(3,954)
|
|
Equity in net earnings of subsidiaries |
0
|
0
|
|
|
|
Change in accounts receivable |
(19,755)
|
24,173
|
17,474
|
(65,852)
|
19,337
|
Change in other assets |
(8,971)
|
(27,882)
|
(9,200)
|
16,404
|
|
Change in other assets |
|
|
|
|
15,365
|
Change in accrued income taxes |
2,604
|
187
|
(2,267)
|
|
|
Change in liabilities |
306
|
(1,672)
|
(2,413)
|
41,091
|
(22,641)
|
Net cash provided by (used in) operating activities |
26,716
|
71,114
|
53,423
|
38,693
|
50,187
|
Cash flows from investing activities: |
|
|
|
|
|
Capital expenditures |
(35,900)
|
(8,040)
|
(15,210)
|
(15,400)
|
(49,400)
|
Proceeds from the sale of assets |
2,782
|
1,829
|
1,875
|
1,200
|
1,829
|
Acquisition of ITS, net of cash acquired |
(117,699)
|
|
|
|
|
Intercompany dividend payment |
|
(31,364)
|
(31,364)
|
|
(10,000)
|
Net cash (used in) investing activities |
(150,817)
|
(37,575)
|
(44,699)
|
(14,200)
|
(57,571)
|
CASH FLOWS FROM FINANCING ACTIVITIES: |
|
|
|
|
|
Proceeds from debt issuance |
0
|
0
|
|
|
|
Paydown on senior notes |
0
|
0
|
|
|
|
Paydown on term note |
0
|
0
|
|
|
|
Payment of debt issuance costs |
0
|
0
|
|
|
|
Payment of debt extinguishment costs |
|
0
|
|
|
|
Excess tax benefit from stock-based compensation |
0
|
0
|
|
|
|
Intercompany advances, net |
141,157
|
(42,773)
|
(12,099)
|
(21,785)
|
(6,183)
|
Net cash provided by (used in) financing activities |
141,157
|
(42,773)
|
(12,099)
|
(21,785)
|
(6,183)
|
Net change in cash and cash equivalents |
17,056
|
(9,234)
|
(3,375)
|
2,708
|
(13,567)
|
Cash and cash equivalents at beginning of year |
34,612
|
37,987
|
37,987
|
35,279
|
48,846
|
Cash and cash equivalents at end of year |
51,668
|
28,753
|
34,612
|
37,987
|
35,279
|
Eliminations [Member]
|
|
|
|
|
|
Cash flows from operating activities: |
|
|
|
|
|
Net income (loss) |
(36,330)
|
(105,662)
|
(87,992)
|
23,484
|
12,962
|
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
|
43,884
|
(23,484)
|
(22,962)
|
Change in accounts receivable |
0
|
0
|
|
|
|
Change in other assets |
0
|
0
|
|
|
|
Change in accrued income taxes |
0
|
0
|
|
|
|
Change in liabilities |
0
|
0
|
|
|
|
Net cash provided by (used in) operating activities |
0
|
(44,108)
|
(44,108)
|
|
(10,000)
|
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
|
44,108
|
|
10,000
|
Net cash (used in) investing activities |
0
|
44,108
|
44,108
|
|
10,000
|
CASH FLOWS FROM FINANCING ACTIVITIES: |
|
|
|
|
|
Proceeds from debt issuance |
0
|
0
|
|
|
|
Paydown on senior notes |
0
|
0
|
|
|
|
Paydown on term note |
0
|
0
|
|
|
|
Payment of debt issuance costs |
0
|
0
|
|
|
|
Payment 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 at beginning of year |
0
|
0
|
0
|
|
|
Cash and cash equivalents at end of year |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|