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Supplemental Guarantor Financial Information (Details 4) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |  |
Net cash provided by (used in) continuing operations | $ 387,871 | $ 111,717 | $ 375,277
Net cash provided by (used in) discontinued operations | 2,054 | 8,726 | (8,964)
Net cash provided by (used in) operating activities | 389,925 | 120,443 | 366,313
Cash flows from investing activities: |  |  |
Capital expenditures | (428,731) | (272,185) | (231,607)
Proceeds from sale of property, plant and equipment | 36,000 | 43,042 | 21,728
Cash paid for business acquisition |  | (3,000) |
(Increase) decrease in restricted cash | (162) | 820 | 12,930
Return of investments in non-consolidated affiliates | 51,707 |  |
Cash invested in non-consolidated affiliates | (224) | (471) | (609)
Net cash provided by (used in) continuing operations | (341,410) | (231,794) | (197,558)
Net cash provided by (used in) discontinued operations | 135,959 | (7,390) | 94,593
Net cash used in investing activities | (205,451) | (239,184) | (102,965)
Cash flows from financing activities: |  |  |
Proceeds from borrowings of long-term debt | 1,878,000 | 1,893,740 | 2,098,244
Repayments of long-term debt | (2,106,639) | (2,036,171) | (2,478,397)
Payments for debt issuance costs | (1,011) | (8,823) | (12,034)
Net proceeds from the sale of Partnership units | 114,530 | 289,908 | 109,365
Proceeds from stock options exercised | 562 | 526 | 840
Proceeds from stock issued pursuant to our employee stock purchase plan | 1,635 | 1,887 | 2,224
Purchases of treasury stock | (2,422) | (2,941) | (2,061)
Stock-based compensation excess tax benefit | 1,139 | 1,034 | 1,182
Distributions to noncontrolling partners in the Partnership | (57,084) | (39,870) | (18,030)
Net cash provided by (used in) financing activities | (171,290) | 99,290 | (298,667)
Effect of exchange rate changes on cash and cash equivalents | (486) | (3,007) | (1,872)
Net increase (decrease) in cash and cash equivalents | 12,698 | (22,458) | (37,191)
Cash and cash equivalents at beginning of period | 21,903 | 44,361 | 81,552
Cash and cash equivalents at end of period | 34,601 | 21,903 | 44,361
Parent |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by (used in) continuing operations | (6,877) | (1,191) | (7,515)
Net cash provided by (used in) operating activities | (6,877) | (1,191) | (7,515)
Cash flows from investing activities: |  |  |
Return on investment in consolidated subsidiaries |  | 87,419 | 109,556
Net cash provided by (used in) continuing operations |  | 87,419 | 109,556
Net cash used in investing activities |  | 87,419 | 109,556
Cash flows from financing activities: |  |  |
Proceeds from borrowings of long-term debt | 1,164,000 | 1,336,240 | 1,627,244
Repayments of long-term debt | (1,422,150) | (1,409,644) | (1,459,836)
Payments for debt issuance costs |  | (7,666) | (7,782)
Proceeds from stock options exercised | 562 | 526 | 840
Proceeds from stock issued pursuant to our employee stock purchase plan | 1,635 | 1,887 | 2,224
Purchases of treasury stock | (2,422) | (2,941) | (2,061)
Stock-based compensation excess tax benefit | 1,139 | 1,034 | 1,182
Borrowings (repayments) between consolidated subsidiaries, net | 264,044 | (5,731) | (263,741)
Net cash provided by (used in) financing activities | 6,808 | (86,295) | (101,930)
Net increase (decrease) in cash and cash equivalents | (69) | (67) | 111
Cash and cash equivalents at beginning of period | 93 | 160 | 49
Cash and cash equivalents at end of period | 24 | 93 | 160
Guarantor Subsidiaries |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by (used in) continuing operations | 127,305 | 62,519 | 66,224
Net cash provided by (used in) operating activities | 127,305 | 62,519 | 66,224
Cash flows from investing activities: |  |  |
Capital expenditures | (205,356) | (171,470) | (95,309)
Contract operations acquisition | 77,415 | 62,217 |
Proceeds from sale of property, plant and equipment | 14,511 | 13,423 | 13,970
Cash paid for business acquisition |  | (3,000) |
Capital distributions received from consolidated subsidiaries | 30,782 | 30,766 | 32,460
Investment in consolidated subsidiaries | (27,184) | (33,713) | (24,720)
Net cash provided by (used in) continuing operations | (109,832) | (101,777) | (73,599)
Net cash used in investing activities | (109,832) | (101,777) | (73,599)
Cash flows from financing activities: |  |  |
Net proceeds from the sale of Partnership units |  | 162,236 | 109,365
Capital distributions to affiliates |  | (87,419) | (109,556)
Borrowings (repayments) between consolidated subsidiaries, net | (9,822) | (34,285) | 4,148
Net cash provided by (used in) financing activities | (9,822) | 40,532 | 3,957
Net increase (decrease) in cash and cash equivalents | 7,651 | 1,274 | (3,418)
Cash and cash equivalents at beginning of period | 2,810 | 1,536 | 4,954
Cash and cash equivalents at end of period | 10,461 | 2,810 | 1,536
Other Subsidiaries |  |  |
Cash flows from operating activities: |  |  |
Net cash provided by (used in) continuing operations | 267,443 | 50,389 | 316,568
Net cash provided by (used in) discontinued operations | 2,054 | 8,726 | (8,964)
Net cash provided by (used in) operating activities | 269,497 | 59,115 | 307,604
Cash flows from investing activities: |  |  |
Capital expenditures | (223,375) | (100,715) | (136,298)
Contract operations acquisition | (77,415) | (62,217) |
Proceeds from sale of property, plant and equipment | 21,489 | 29,619 | 7,758
(Increase) decrease in restricted cash | (162) | 820 | 12,930
Return of investments in non-consolidated affiliates | 51,707 |  |
Cash invested in non-consolidated affiliates | (224) | (471) | (609)
Return on investment in consolidated subsidiaries |  | 87,419 | 109,556
Net cash provided by (used in) continuing operations | (227,980) | (45,545) | (6,663)
Net cash provided by (used in) discontinued operations | 135,959 | (7,390) | 94,593
Net cash used in investing activities | (92,021) | (52,935) | 87,930
Cash flows from financing activities: |  |  |
Proceeds from borrowings of long-term debt | 714,000 | 557,500 | 471,000
Repayments of long-term debt | (684,489) | (626,527) | (1,018,561)
Payments for debt issuance costs | (1,011) | (1,157) | (4,252)
Net proceeds from the sale of Partnership units | 114,530 | 127,672 |
Distributions to noncontrolling partners in the Partnership | (87,866) | (70,636) | (50,490)
Net proceeds from sale of general partner units | 2,426 | 1,316 |
Capital distributions to affiliates |  | (87,419) | (109,556)
Capital contributions received from parent | 24,758 | 32,397 | 24,720
Borrowings (repayments) between consolidated subsidiaries, net | (254,222) | 40,016 | 259,593
Net cash provided by (used in) financing activities | (171,874) | (26,838) | (427,546)
Effect of exchange rate changes on cash and cash equivalents | (486) | (3,007) | (1,872)
Net increase (decrease) in cash and cash equivalents | 5,116 | (23,665) | (33,884)
Cash and cash equivalents at beginning of period | 19,000 | 42,665 | 76,549
Cash and cash equivalents at end of period | 24,116 | 19,000 | 42,665
Eliminations |  |  |
Cash flows from investing activities: |  |  |
Capital distributions received from consolidated subsidiaries | (30,782) | (30,766) | (32,460)
Investment in consolidated subsidiaries | 27,184 | 33,713 | 24,720
Return on investment in consolidated subsidiaries |  | (174,838) | (219,112)
Net cash provided by (used in) continuing operations | (3,598) | (171,891) | (226,852)
Net cash used in investing activities | (3,598) | (171,891) | (226,852)
Cash flows from financing activities: |  |  |
Distributions to noncontrolling partners in the Partnership | 30,782 | 30,766 | 32,460
Net proceeds from sale of general partner units | (2,426) | (1,316) |
Capital distributions to affiliates |  | 174,838 | 219,112
Capital contributions received from parent | (24,758) | (32,397) | (24,720)
Net cash provided by (used in) financing activities | $ 3,598 | $ 171,891 | $ 226,852

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- Definition Amount of net cash from (used in) the entity's continuing operations, excluding cash flows derived by the entity from its discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 -Footnote 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3521-108585 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-13 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash outflow to return capital to noncontrolled interest, which generally occurs when noncontrolling shareholders reduce their ownership stake (in a subsidiary of the entity). This element does not include dividends paid to noncontrolling shareholders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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