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Discontinued Operations (Details) | 3 Months Ended | 9 Months Ended |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($) | Dec. 31, 2013 USD ($) | Aug. 31, 2012 Venezuela USD ($) | Sep. 30, 2014 Venezuela USD ($) | Sep. 30, 2013 Venezuela USD ($) | Sep. 30, 2014 Venezuela USD ($) | Sep. 30, 2013 Venezuela USD ($) | Dec. 31, 2013 Venezuela USD ($) | Jul. 31, 2013 Canada USD ($) | Sep. 30, 2013 Canada USD ($) | Sep. 30, 2013 Canada USD ($) | Jul. 31, 2013 Canada CAD | Sep. 30, 2014 Contract Water Treatment Business USD ($) | Sep. 30, 2013 Contract Water Treatment Business USD ($) | Sep. 30, 2014 Contract Water Treatment Business USD ($) | Sep. 30, 2013 Contract Water Treatment Business USD ($) | Dec. 31, 2013 Contract Water Treatment Business USD ($)
Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price of expropriated assets |  |  |  |  |  | $ 441,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Installment payments, including an annual charge, received from sale of expropriated assets |  |  |  |  |  |  | 18,200,000 | 17,400,000 | 54,100,000 | 51,700,000 |  |  |  |  |  |  |  |  |  |
Remaining expected proceeds from sale of expropriated assets |  |  |  |  |  |  | 133,000,000 |  | 133,000,000 |  |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000,000 |  |  |  |  | 2,400,000 |
Cash proceeds |  |  |  |  |  |  |  |  |  |  |  | 12,300,000 |  |  |  |  |  |  |  |
Note receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,100,000 |  |  |  |  |
Contingent consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |
Potential tax refund |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600,000 |  |  |  |  |
Summary of operating results of the discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | 419,000 |  | 27,796,000 |  |  |  |  |  |  |  |  |  | 24,458,000 |  |  | 419,000 |  | 3,338,000 |
Expenses and selling, general and administrative | 271,000 | 1,133,000 | 693,000 | 25,059,000 |  |  | 84,000 | 423,000 | 329,000 | 731,000 |  |  |  | 21,810,000 |  | 187,000 | 710,000 | 364,000 | 2,518,000 |
Loss (recovery) attributable to expropriation and impairments | (16,220,000) | (14,134,000) | (49,204,000) | (41,561,000) |  |  | (16,539,000) | (16,489,000) | (49,523,000) | (49,916,000) |  |  |  | 6,000,000 |  | 319,000 | 2,355,000 | 319,000 | 2,355,000 |
Other (income) loss, net | (1,880,000) | (413,000) | (5,765,000) | (2,510,000) |  |  | (1,880,000) | (847,000) | (5,738,000) | (3,439,000) |  |  | (598,000) | (86,000) |  |  | 1,032,000 | (27,000) | 1,015,000 |
Provision for (benefit from) income taxes | (174,000) | (1,288,000) | (223,000) | (723,000) |  |  |  |  |  |  |  |  |  | 172,000 |  | (174,000) | (1,288,000) | (223,000) | (895,000) |
Income (loss) from discontinued operations, net of tax | 18,003,000 | 15,121,000 | 54,499,000 | 47,531,000 |  |  | 18,335,000 | 16,913,000 | 54,932,000 | 52,624,000 |  |  | 598,000 | (3,438,000) |  | (332,000) | (2,390,000) | (433,000) | (1,655,000) |
Summary of balance sheet data for discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | 79,000 |  | 79,000 |  | 74,000 |  | 79,000 |  | 79,000 |  | 74,000 |  |  |  |  |  |  |  |  |
Accounts receivable | 68,000 |  | 68,000 |  | 288,000 |  |  |  |  |  | 1,000 |  |  |  |  | 68,000 |  | 68,000 |  | 287,000
Inventory | 36,000 |  | 36,000 |  | 50,000 |  |  |  |  |  |  |  |  |  |  | 36,000 |  | 36,000 |  | 50,000
Other current assets | 6,000 |  | 6,000 |  | 30,000 |  | 6,000 |  | 6,000 |  | 16,000 |  |  |  |  |  |  |  |  | 14,000
Total current assets associated with discontinued operations | 189,000 |  | 189,000 |  | 442,000 |  | 85,000 |  | 85,000 |  | 91,000 |  |  |  |  | 104,000 |  | 104,000 |  | 351,000
Property, plant and equipment, net |  |  |  |  | 560,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 560,000
Deferred tax assets | 18,977,000 |  | 18,977,000 |  | 20,358,000 |  |  |  |  |  |  |  |  |  |  | 18,977,000 |  | 18,977,000 |  | 20,358,000
Total assets associated with discontinued operations | 19,166,000 |  | 19,166,000 |  | 21,360,000 |  | 85,000 |  | 85,000 |  | 91,000 |  |  |  |  | 19,081,000 |  | 19,081,000 |  | 21,269,000
Accounts payable | 216,000 |  | 216,000 |  | 368,000 |  | 214,000 |  | 214,000 |  | 366,000 |  |  |  |  | 2,000 |  | 2,000 |  | 2,000
Accrued liabilities | 1,821,000 |  | 1,821,000 |  | 2,865,000 |  | 1,130,000 |  | 1,130,000 |  | 1,998,000 |  |  |  |  | 691,000 |  | 691,000 |  | 867,000
Total current liabilities associated with discontinued operations | 2,037,000 |  | 2,037,000 |  | 3,233,000 |  | 1,344,000 |  | 1,344,000 |  | 2,364,000 |  |  |  |  | 693,000 |  | 693,000 |  | 869,000
Other long-term liabilities | 291,000 |  | 291,000 |  | 447,000 |  | 291,000 |  | 291,000 |  | 447,000 |  |  |  |  |  |  |  |  |
Total liabilities associated with discontinued operations | $ 2,328,000 |  | $ 2,328,000 |  | $ 3,680,000 |  | $ 1,635,000 |  | $ 1,635,000 |  | $ 2,811,000 |  |  |  |  | $ 693,000 |  | $ 693,000 |  | $ 869,000

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