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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2011
Discontinued Operations [Abstract] |
Summary of operating results of discontinued operations |
|  | Years Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Revenues |  | $ | — |  |  | $ | 2,940 |  |  | $ | 69,050 |
Expenses and selling, general and administrative |  |  | 1,302 |  |  |  | 5,892 |  |  |  | 61,761 |
Loss (recovery) attributable to expropriation |  |  | 3,092 |  |  |  | (38,925 | ) |  |  | 329,685 |
Other (income) loss, net |  |  | (150 | ) |  |  | (12,145 | ) |  |  | (7,571 | )
Provision for (benefit from) income taxes |  |  | 1,719 |  |  |  | 2,795 |  |  |  | (18,586 | )
Income (loss) from discontinued operations, net of tax |  | $ | (5,963 | ) |  | $ | 45,323 |  |  | $ | (296,239 | )
Summary of balance sheet data for discontinued operations |
|  | December 31, |
|  | 2011 |  |  | 2010 |
Cash |  | $ | 304 |  |  | $ | 754 |
Accounts receivable |  |  | 9 |  |  |  | 434 |
Inventory |  |  | 1,017 |  |  |  | 1,077 |
Other current assets |  |  | 2,683 |  |  |  | 3,653 |
Total current assets associated with discontinued operations |  |  | 4,013 |  |  |  | 5,918 |
Property, plant and equipment, net |  |  | — |  |  |  | 502 |
Other long-term assets |  |  | — |  |  |  | 8,670 |
Total assets associated with discontinued operations |  | $ | 4,013 |  |  | $ | 15,090 |
Accounts payable |  | $ | 589 |  |  | $ | 801 |
Accrued liabilities |  |  | 4,295 |  |  |  | 13,932 |
Deferred revenues |  |  | 1,499 |  |  |  | 821 |
Total current liabilities associated with discontinued operations |  |  | 6,383 |  |  |  | 15,554 |
Other long-term liabilities |  |  | 14,140 |  |  |  | 13,111 |
Total liabilities associated with discontinued operations |  | $ | 20,523 |  |  | $ | 28,665 |

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