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Discontinued Operations (Details) | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Feb. 28, 2013 Venezuela USD ($) | Aug. 31, 2012 Venezuela USD ($) | Dec. 31, 2013 Venezuela USD ($) | Dec. 31, 2012 Venezuela USD ($) | Dec. 31, 2011 Venezuela USD ($) | Feb. 28, 2013 Venezuela VEB | Dec. 31, 2012 Venezuela VEB | Jul. 31, 2013 Canada USD ($) | Jun. 30, 2013 Canada USD ($) | Mar. 31, 2013 Canada USD ($) | Dec. 31, 2012 Canada USD ($) | Sep. 30, 2012 Canada USD ($) | Jun. 30, 2012 Canada USD ($) | Dec. 31, 2013 Canada USD ($) | Dec. 31, 2012 Canada USD ($) | Dec. 31, 2011 Canada USD ($) | Jul. 31, 2013 Canada CAD | Sep. 30, 2013 Contract Water Treatment Business USD ($) | Jun. 30, 2013 Contract Water Treatment Business USD ($) | Mar. 31, 2013 Contract Water Treatment Business USD ($) | Dec. 31, 2012 Contract Water Treatment Business USD ($) | Sep. 30, 2012 Contract Water Treatment Business USD ($) | Jun. 30, 2012 Contract Water Treatment Business USD ($) | Mar. 31, 2012 Contract Water Treatment Business USD ($) | Dec. 31, 2013 Contract Water Treatment Business USD ($) | Dec. 31, 2012 Contract Water Treatment Business USD ($) | Dec. 31, 2011 Contract Water Treatment Business USD ($)
Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale price of expropriated assets |  |  |  |  | $ 441,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial payment received from sale of expropriated assets |  |  |  |  | 176,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remitted amount |  |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Installment payments, including an annual charge, received from sale of expropriated assets |  |  |  |  |  | 69,300,000 | 16,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining expected proceeds from sale of expropriated assets |  |  |  |  |  | 182,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in previously unrecognized tax benefit |  |  |  |  |  |  | 15,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Translation gain |  |  |  | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate used for remeasurement of net liabilities |  |  |  |  |  |  |  |  | 6.3 | 4.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  |  |  |  |  |  |  |  | 3,900,000 | 2,100,000 | 11,600,000 | 27,700,000 | 40,800,000 | 6,400,000 | 80,200,000 |  |  | 2,400,000 |  |  | 46,800,000 |  |  |  | 2,400,000 | 46,800,000 |
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 | 27,883,000 | 59,913,000 | 70,845,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,458,000 | 50,557,000 | 53,591,000 |  | 400,000 | 1,400,000 | 1,500,000 | 1,900,000 | 2,000,000 | 2,200,000 | 3,300,000 | 3,425,000 | 9,356,000 | 17,254,000
Expenses and selling, general and administrative | 26,045,000 | 61,884,000 | 74,827,000 |  |  | 883,000 | 1,275,000 | 1,302,000 |  |  |  |  |  |  |  |  | 21,810,000 | 50,521,000 | 59,421,000 |  |  |  |  |  |  |  |  | 3,352,000 | 10,088,000 | 14,104,000
Loss (recovery) attributable to expropriation and impairments | (57,613,000) | (9,957,000) | 4,036,000 |  |  | (66,344,000) | (136,947,000) | 3,092,000 |  |  |  |  |  |  |  |  | 6,376,000 | 80,159,000 | 944,000 |  |  |  |  |  |  |  |  | 2,355,000 | 46,831,000 |
Other (income) loss, net | (3,580,000) | (425,000) | 55,000 |  |  | (4,552,000) | (219,000) | (150,000) |  |  |  |  |  |  |  |  | (30,000) | (130,000) | 228,000 |  |  |  |  |  |  |  |  | 1,002,000 | (76,000) | (23,000)
Provision for (benefit from) income taxes | (983,000) | (27,565,000) | (29,000) |  |  |  | (13,509,000) | 1,719,000 |  |  |  |  |  |  |  |  | 166,000 | 2,564,000 | (2,860,000) |  |  |  |  |  |  |  |  | (1,149,000) | (16,620,000) | 1,112,000
Income (loss) from discontinued operations, net of tax | 64,014,000 | 35,976,000 | (8,044,000) |  |  | 70,013,000 | 149,400,000 | (5,963,000) |  |  |  |  |  |  |  |  | (3,864,000) | (82,557,000) | (4,142,000) |  |  |  |  |  |  |  |  | (2,135,000) | (30,867,000) | 2,061,000
Summary of balance sheet data for discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | 74,000 | 904,000 |  |  |  | 74,000 | 113,000 |  |  |  |  |  |  | 791,000 |  |  |  | 791,000 |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable | 288,000 | 10,146,000 |  |  |  | 1,000 | 17,000 |  |  |  |  |  |  | 9,148,000 |  |  |  | 9,148,000 |  |  |  |  |  | 981,000 |  |  |  | 287,000 | 981,000 |
Inventory | 50,000 | 11,206,000 |  |  |  |  |  |  |  |  |  |  |  | 9,826,000 |  |  |  | 9,826,000 |  |  |  |  |  | 1,380,000 |  |  |  | 50,000 | 1,380,000 |
Other current assets | 30,000 | 1,851,000 |  |  |  | 16,000 | 41,000 |  |  |  |  |  |  | 1,810,000 |  |  |  | 1,810,000 |  |  |  |  |  |  |  |  |  | 14,000 |  |
Total current assets associated with discontinued operations | 442,000 | 24,107,000 |  |  |  | 91,000 | 171,000 |  |  |  |  |  |  | 21,575,000 |  |  |  | 21,575,000 |  |  |  |  |  | 2,361,000 |  |  |  | 351,000 | 2,361,000 |
Property, plant and equipment | 560,000 | 3,312,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,312,000 |  |  |  | 560,000 | 3,312,000 |
Deferred tax assets | 20,358,000 | 22,928,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,928,000 |  |  |  | 20,358,000 | 22,928,000 |
Total assets associated with discontinued operations | 21,360,000 | 50,347,000 |  |  |  | 91,000 | 171,000 |  |  |  |  |  |  | 21,575,000 |  |  |  | 21,575,000 |  |  |  |  |  | 28,601,000 |  |  |  | 21,269,000 | 28,601,000 |
Accounts payable | 368,000 | 4,080,000 |  |  |  | 366,000 | 499,000 |  |  |  |  |  |  | 3,345,000 |  |  |  | 3,345,000 |  |  |  |  |  | 236,000 |  |  |  | 2,000 | 236,000 |
Accrued liabilities | 2,865,000 | 7,394,000 |  |  |  | 1,998,000 | 4,335,000 |  |  |  |  |  |  | 2,724,000 |  |  |  | 2,724,000 |  |  |  |  |  | 335,000 |  |  |  | 867,000 | 335,000 |
Deferred revenue |  | 1,186,000 |  |  |  |  |  |  |  |  |  |  |  | 669,000 |  |  |  | 669,000 |  |  |  |  |  | 517,000 |  |  |  |  | 517,000 |
Total current liabilities associated with discontinued operations | 3,233,000 | 12,660,000 |  |  |  | 2,364,000 | 4,834,000 |  |  |  |  |  |  | 6,738,000 |  |  |  | 6,738,000 |  |  |  |  |  | 1,088,000 |  |  |  | 869,000 | 1,088,000 |
Other long-term liabilities | 447,000 | 1,044,000 |  |  |  | 447,000 | 455,000 |  |  |  |  |  |  | 589,000 |  |  |  | 589,000 |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities associated with discontinued operations | $ 3,680,000 | $ 13,704,000 |  |  |  | $ 2,811,000 | $ 5,289,000 |  |  |  |  |  |  | $ 7,327,000 |  |  |  | $ 7,327,000 |  |  |  |  |  | $ 1,088,000 |  |  |  | $ 869,000 | $ 1,088,000 |

X
- Definition Amount of write-down of assets recognized in the income statement attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
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- Definition Amount of potential cash receipts that may be received from the contingent consideration arrangement for selling an asset or business attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
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- Definition Amount of note receivable received as partial consideration for selling an asset or business attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
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- Definition Amount of expense including selling, general and administrative expenses attributable to the disposal group, including a component of the entity (discontinued operation) during the reporting period. + References No definition available. + Details
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- Definition Amount of loss (recovery) attributable to expropriation, impairments and inventory write downs related to the disposal group, including a component of the entity (discontinued operation) during the reporting period. + References No definition available. + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
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- Definition The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income from discontinued operations. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses). + References No definition available. + Details
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- Definition The cash outflow as a result of reimbursement of amounts received from the insurance contract settlement back to the insurance company per the terms of the policy. + References No definition available. + Details
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- Definition Gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities including penalties and interest. + References No definition available. + Details
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- Definition The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 + Details
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- Definition The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for current assets (assets with expected useful life shorter than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 + Details
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- Definition Other pretax income (loss) amounts relating to a disposal group that is classified as a component of the entity, exclusive of the following elsewhere enumerated categories: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32672-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=18498875&loc=d3e38679-109324 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 + Details
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- Definition For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition For the disposal group, including a component of the entity (discontinued operation), carrying value of obligations incurred and payable pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include interest, rent, salaries, and utilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition For the disposal group, including a component of the entity (discontinued operation), cash includes currency on hand as well as demand deposits with banks or financial institutions. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of deferred revenue attributable to disposal group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of deferred tax assets attributable to disposal group, due after one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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