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Correction of Statement of Cash Flows (Tables) | 6 Months Ended
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Jun. 30, 2012
Correction of Statement of Cash Flows [Abstract] |
Schedule of Error Corrections and Prior Period Adjustments | As a result, the affected line items under cash flows from operating activities and cash flows from investing activities of the consolidated statement of cash flows for the six months ended June 30, 2011, have been restated as follows (in thousands):
| As Previously Reported |  | As Corrected
Changes in operating assets and liabilities, net of effects from acquisitions: |  |  |
Trade payables | $ | (4,726 | ) |  | $ | (2,817 | )
Total adjustments | 96 |  |  | 2,005 |
Net cash provided by operating activities | 13,607 |  |  | 15,516 |
Capital expenditures for property and equipment | (21,642 | ) |  | (23,551 | )
Net cash used in investing activities | (24,493 | ) |  | (26,402 | )

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22658-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22663-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 9 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 154 -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22644-107794 + Details
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