Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Revenues |
$ 254,234
|
$ 225,954
|
$ 483,459
|
$ 393,090
|
Operating expenses |
174,569
|
143,401
|
340,594
|
260,147
|
Gain (Loss) on Derivative Instruments, Net, Pretax |
0
|
17
|
0
|
54
|
Other |
1,032
|
(459)
|
1,927
|
(661)
|
Cash flows from operating activities: |
|
|
|
|
Net income |
15,837
|
8,374
|
3,445
|
8,946
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
Depreciation and amortization |
36,180
|
32,280
|
70,517
|
61,792
|
Gain on disposition of assets |
479
|
0
|
30,152
|
0
|
(Gain) loss on disposition of assets |
(1,019)
|
(517)
|
(890)
|
(1,665)
|
Deferred income tax benefit |
|
|
(8,358)
|
1,800
|
Other Asset Impairment Charges |
|
|
|
0
|
Expenses not requiring cash |
|
|
8,748
|
7,989
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Change in other assets |
|
|
(777)
|
6,711
|
Change in accounts receivable |
|
|
(1,066)
|
(32,285)
|
Change in accrued income taxes |
|
|
(3,987)
|
2,179
|
Change in liabilities |
|
|
5,789
|
(9,543)
|
Net cash provided by operating activities |
|
|
103,573
|
45,924
|
Cash flows from investing activities: |
|
|
|
|
Capital expenditures |
(12,250)
|
|
(106,188)
|
(63,537)
|
Cash Acquired from Acquisition |
|
|
0
|
(117,991)
|
Proceeds from the sale of assets |
|
|
3,346
|
2,901
|
Net Cash Provided by (Used in) Investing Activities |
|
|
(102,842)
|
(178,627)
|
Cash flows from financing activities: |
|
|
|
|
Proceeds from debt issuance |
|
|
400,000
|
125,000
|
Repayments of long term debt |
|
|
(425,000)
|
0
|
Paydown on term note |
|
|
(5,000)
|
(5,000)
|
Payment of debt issuance costs |
|
|
(7,425)
|
(5,386)
|
Payments of debt extinguishment costs |
|
|
(26,214)
|
0
|
Excess tax benefit from stock-based compensation |
|
|
665
|
(189)
|
Intercompany advances, net |
|
|
0
|
0
|
Net cash used in financing activities |
|
|
(62,974)
|
114,425
|
Net change in cash and cash equivalents |
|
|
(62,243)
|
(18,278)
|
Cash and cash equivalents, beginning of year |
|
|
148,689
|
87,886
|
Cash and cash equivalents, end of period |
86,446
|
69,608
|
86,446
|
69,608
|
Total operating gross margin |
43,485
|
50,273
|
72,348
|
71,151
|
General and Administrative Expense |
7,007
|
22,203
|
15,971
|
35,049
|
Total operating income |
37,497
|
28,587
|
57,267
|
37,767
|
Interest Expense |
10,599
|
10,741
|
22,638
|
20,747
|
Interest income |
88
|
2,203
|
120
|
2,262
|
Total other expense |
(9,958)
|
(8,980)
|
(50,743)
|
(19,092)
|
Income (benefit) before income taxes |
27,539
|
19,607
|
6,524
|
18,675
|
Income tax expense |
11,702
|
11,233
|
3,079
|
9,729
|
Less: Net income (loss) attributable to noncontrolling interest |
156
|
93
|
313
|
73
|
Net income attributable to controlling interest |
15,681
|
8,281
|
3,132
|
8,873
|
Parent [Member]
|
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Revenues |
0
|
0
|
0
|
0
|
Operating expenses |
0
|
0
|
0
|
0
|
Gain (Loss) on Derivative Instruments, Net, Pretax |
|
17
|
|
54
|
Other |
0
|
0
|
0
|
0
|
Cash flows from operating activities: |
|
|
|
|
Net income |
15,681
|
8,281
|
3,132
|
8,873
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
Depreciation and amortization |
0
|
0
|
0
|
0
|
Gain on disposition of assets |
479
|
0
|
30,152
|
0
|
(Gain) loss on disposition of assets |
0
|
0
|
80
|
0
|
Deferred income tax benefit |
|
|
(19,621)
|
(4,560)
|
Other Asset Impairment Charges |
|
|
|
0
|
Expenses not requiring cash |
|
|
7,939
|
5,218
|
Equity in net earnings of subsidiaries |
(20,659)
|
(13,828)
|
(31,149)
|
(14,007)
|
Change in other assets |
|
|
37,589
|
45,072
|
Change in accounts receivable |
|
|
0
|
(125,337)
|
Change in accrued income taxes |
|
|
(5,231)
|
(35,297)
|
Change in liabilities |
|
|
(19,629)
|
1,780
|
Net cash provided by operating activities |
|
|
3,262
|
(118,258)
|
Cash flows from investing activities: |
|
|
|
|
Capital expenditures |
|
|
0
|
0
|
Cash Acquired from Acquisition |
|
|
|
0
|
Proceeds from the sale of assets |
|
|
0
|
0
|
Net Cash Provided by (Used in) Investing Activities |
|
|
0
|
0
|
Cash flows from financing activities: |
|
|
|
|
Proceeds from debt issuance |
|
|
400,000
|
125,000
|
Repayments of long term debt |
|
|
(425,000)
|
|
Paydown on term note |
|
|
(5,000)
|
(5,000)
|
Payment of debt issuance costs |
|
|
(7,425)
|
(5,386)
|
Payments of debt extinguishment costs |
|
|
(26,214)
|
|
Excess tax benefit from stock-based compensation |
|
|
665
|
(189)
|
Intercompany advances, net |
|
|
(2,619)
|
(23,712)
|
Net cash used in financing activities |
|
|
(65,593)
|
90,713
|
Net change in cash and cash equivalents |
|
|
(62,331)
|
(27,545)
|
Cash and cash equivalents, beginning of year |
|
|
88,697
|
42,251
|
Cash and cash equivalents, end of period |
26,366
|
14,706
|
26,366
|
14,706
|
Total operating gross margin |
0
|
0
|
0
|
0
|
General and Administrative Expense |
234
|
46
|
304
|
90
|
Total operating income |
(234)
|
(46)
|
(384)
|
(90)
|
Interest Expense |
11,299
|
11,719
|
24,014
|
22,699
|
Interest income |
96
|
1,437
|
535
|
3,006
|
Total other expense |
8,977
|
3,563
|
(22,482)
|
(5,632)
|
Income (benefit) before income taxes |
8,743
|
3,517
|
(22,866)
|
(5,722)
|
Income tax expense |
(6,938)
|
(4,764)
|
(25,998)
|
(14,595)
|
Less: Net income (loss) attributable to noncontrolling interest |
0
|
0
|
0
|
0
|
Net income attributable to controlling interest |
15,681
|
8,281
|
3,132
|
8,873
|
Guarantor [Member]
|
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Revenues |
143,171
|
121,801
|
266,602
|
226,144
|
Operating expenses |
80,929
|
63,830
|
157,477
|
122,408
|
Gain (Loss) on Derivative Instruments, Net, Pretax |
|
0
|
|
0
|
Other |
57
|
(352)
|
|
(250)
|
Cash flows from operating activities: |
|
|
|
|
Net income |
22,148
|
6,809
|
34,191
|
16,794
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
Depreciation and amortization |
21,008
|
18,548
|
41,175
|
37,380
|
Gain on disposition of assets |
0
|
0
|
0
|
0
|
(Gain) loss on disposition of assets |
(512)
|
(843)
|
(432)
|
(1,952)
|
Deferred income tax benefit |
|
|
8,917
|
6,261
|
Other Asset Impairment Charges |
|
|
|
0
|
Expenses not requiring cash |
|
|
(997)
|
1,563
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Change in other assets |
|
|
(51,431)
|
(42,264)
|
Change in accounts receivable |
|
|
(6,132)
|
(22,895)
|
Change in accrued income taxes |
|
|
9,481
|
41,272
|
Change in liabilities |
|
|
20,886
|
(14,043)
|
Net cash provided by operating activities |
|
|
55,658
|
22,116
|
Cash flows from investing activities: |
|
|
|
|
Capital expenditures |
|
|
(79,374)
|
(38,430)
|
Cash Acquired from Acquisition |
|
|
|
(292)
|
Proceeds from the sale of assets |
|
|
1,008
|
2,834
|
Net Cash Provided by (Used in) Investing Activities |
|
|
(78,366)
|
(35,888)
|
Cash flows from financing activities: |
|
|
|
|
Proceeds from debt issuance |
|
|
0
|
0
|
Repayments of long term debt |
|
|
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 |
|
|
21,836
|
7,792
|
Net cash used in financing activities |
|
|
21,836
|
7,792
|
Net change in cash and cash equivalents |
|
|
(872)
|
(5,980)
|
Cash and cash equivalents, beginning of year |
|
|
8,310
|
11,023
|
Cash and cash equivalents, end of period |
7,438
|
5,043
|
7,438
|
5,043
|
Total operating gross margin |
41,234
|
39,423
|
67,950
|
66,356
|
General and Administrative Expense |
6,355
|
22,033
|
14,819
|
34,769
|
Total operating income |
35,391
|
18,233
|
53,563
|
33,539
|
Interest Expense |
35
|
35
|
85
|
58
|
Interest income |
201
|
1,144
|
378
|
1,333
|
Total other expense |
223
|
757
|
477
|
1,025
|
Income (benefit) before income taxes |
35,614
|
18,990
|
54,040
|
34,564
|
Income tax expense |
13,466
|
12,181
|
19,849
|
17,770
|
Less: Net income (loss) attributable to noncontrolling interest |
0
|
0
|
0
|
0
|
Net income attributable to controlling interest |
22,148
|
6,809
|
34,191
|
16,794
|
Non-Guarantor [Member]
|
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Revenues |
155,832
|
132,008
|
304,964
|
218,308
|
Operating expenses |
138,409
|
107,426
|
271,224
|
189,101
|
Gain (Loss) on Derivative Instruments, Net, Pretax |
|
0
|
|
0
|
Other |
975
|
(107)
|
|
(411)
|
Cash flows from operating activities: |
|
|
|
|
Net income |
(1,333)
|
7,112
|
(2,729)
|
(2,714)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
Depreciation and amortization |
15,172
|
13,732
|
29,342
|
24,412
|
Gain on disposition of assets |
0
|
0
|
0
|
0
|
(Gain) loss on disposition of assets |
(507)
|
326
|
(538)
|
287
|
Deferred income tax benefit |
|
|
2,346
|
99
|
Other Asset Impairment Charges |
|
|
|
0
|
Expenses not requiring cash |
|
|
1,806
|
1,208
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Change in other assets |
|
|
13,065
|
3,903
|
Change in accounts receivable |
|
|
5,066
|
115,947
|
Change in accrued income taxes |
|
|
(8,237)
|
(3,796)
|
Change in liabilities |
|
|
4,532
|
2,720
|
Net cash provided by operating activities |
|
|
44,653
|
142,066
|
Cash flows from investing activities: |
|
|
|
|
Capital expenditures |
|
|
(26,814)
|
(25,107)
|
Cash Acquired from Acquisition |
|
|
|
(117,699)
|
Proceeds from the sale of assets |
|
|
2,338
|
67
|
Net Cash Provided by (Used in) Investing Activities |
|
|
(24,476)
|
(142,739)
|
Cash flows from financing activities: |
|
|
|
|
Proceeds from debt issuance |
|
|
0
|
0
|
Repayments of long term debt |
|
|
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 |
|
|
(19,217)
|
15,920
|
Net cash used in financing activities |
|
|
(19,217)
|
15,920
|
Net change in cash and cash equivalents |
|
|
960
|
15,247
|
Cash and cash equivalents, beginning of year |
|
|
51,682
|
34,612
|
Cash and cash equivalents, end of period |
52,642
|
49,859
|
52,642
|
49,859
|
Total operating gross margin |
2,251
|
10,850
|
4,398
|
4,795
|
General and Administrative Expense |
418
|
124
|
848
|
190
|
Total operating income |
2,340
|
10,400
|
4,088
|
4,318
|
Interest Expense |
1,913
|
2,207
|
4,412
|
5,625
|
Interest income |
2,439
|
2,842
|
5,080
|
5,558
|
Total other expense |
1,501
|
528
|
2,411
|
(478)
|
Income (benefit) before income taxes |
3,841
|
10,928
|
6,499
|
3,840
|
Income tax expense |
5,174
|
3,816
|
9,228
|
6,554
|
Less: Net income (loss) attributable to noncontrolling interest |
156
|
93
|
313
|
73
|
Net income attributable to controlling interest |
(1,489)
|
7,019
|
(3,042)
|
(2,787)
|
Eliminations [Member]
|
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Revenues |
(44,769)
|
(27,855)
|
(88,107)
|
(51,362)
|
Operating expenses |
(44,769)
|
(27,855)
|
(88,107)
|
(51,362)
|
Gain (Loss) on Derivative Instruments, Net, Pretax |
|
0
|
|
0
|
Other |
0
|
0
|
0
|
0
|
Cash flows from operating activities: |
|
|
|
|
Net income |
(20,659)
|
(13,828)
|
(31,149)
|
(14,007)
|
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
Depreciation and amortization |
0
|
0
|
0
|
0
|
Gain on disposition of assets |
0
|
0
|
0
|
0
|
(Gain) loss on disposition of assets |
0
|
0
|
0
|
0
|
Deferred income tax benefit |
|
|
0
|
0
|
Other Asset Impairment Charges |
|
|
|
0
|
Expenses not requiring cash |
|
|
0
|
0
|
Equity in net earnings of subsidiaries |
20,659
|
13,828
|
31,149
|
14,007
|
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
|
0
|
Cash flows from investing activities: |
|
|
|
|
Capital expenditures |
|
|
0
|
0
|
Cash Acquired from Acquisition |
|
|
|
0
|
Proceeds from the sale of assets |
|
|
0
|
0
|
Net Cash Provided by (Used in) Investing Activities |
|
|
0
|
0
|
Cash flows from financing activities: |
|
|
|
|
Proceeds from debt issuance |
|
|
0
|
0
|
Repayments of long term debt |
|
|
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 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
|
0
|
0
|
Total operating gross margin |
0
|
0
|
0
|
0
|
General and Administrative Expense |
0
|
0
|
0
|
0
|
Total operating income |
0
|
0
|
0
|
0
|
Interest Expense |
(2,648)
|
(3,220)
|
(5,873)
|
(7,635)
|
Interest income |
(2,648)
|
(3,220)
|
(5,873)
|
(7,635)
|
Total other expense |
(20,659)
|
(13,828)
|
(31,149)
|
(14,007)
|
Income (benefit) before income taxes |
(20,659)
|
(13,828)
|
(31,149)
|
(14,007)
|
Income tax expense |
0
|
0
|
0
|
0
|
Less: Net income (loss) attributable to noncontrolling interest |
0
|
0
|
0
|
0
|
Net income attributable to controlling interest |
$ (20,659)
|
$ (13,828)
|
$ (31,149)
|
$ (14,007)
|