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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income from continuing operations before income taxes and equity income |  |  |
United States | $ 40,411,000 | $ 47,680,000 | $ 23,037,000
International | (258,906,000) | (6,015,000) | (2,561,000)
Income (loss) from continuing operations before income taxes and equity income | (218,495,000) | 41,665,000 | 20,476,000
Currently payable: |  |  |
U.S. federal | 22,603,000 | 4,249,000 | (325,000)
U.S. state | 1,561,000 | 913,000 | 453,000
International | 21,795,000 | 23,860,000 | 30,765,000
Total income taxes currently payable | 45,959,000 | 29,022,000 | 30,893,000
Deferred U.S. federal | (3,831,000) | 670,000 | 6,228,000
Deferred U.S. state | (843,000) | 503,000 | (56,000)
Deferred international | (6,034,000) | 19,653,000 | (32,789,000)
Total income tax expense | 35,251,000 | 49,848,000 | 4,276,000
Cash payments for income taxes, including taxes on gain or loss from discontinued business | 42,600,000 | 42,300,000 | 27,400,000
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |  |
U.S. federal income tax rate (as a percent) | 35.00% | 35.00% | 35.00%
U.S. state income taxes, net of federal income tax benefit (as a percent) | (0.10%) | 2.90% | 5.10%
U.S. domestic manufacturing deductions and credits (as a percent) | 1.70% | (9.60%) | (5.90%)
Change in permanent reinvestment assertion (as a percent) | 0.00% | 0.00% | 9.30%
Difference in effective tax rates on international earnings and remittances (as a percent) | (0.70%) | (11.70%) | (34.40%)
Uncertain tax position contingencies and settlements (as a percent) | 2.50% | (18.00%) | 1.20%
Changes in realization on beginning of the year deferred tax assets (as a percent) | (1.80%) | 89.10% | 8.40%
Restructuring charges with no realizable tax benefits (as a percent) | (9.80%) | 23.00% | 11.20%
U.S. nondeductible items (as a percent) | (0.70%) | 6.00% | 8.70%
Deferred charges (as a percent) | 0.00% | 0.00% | (19.00%)
Non-deductible goodwill impairment | (42.50%) | 0.00% | 0.00%
Cumulative effect of change in statutory tax rates/laws (as a percent) | 0.10% | 3.50% | 3.40%
Other, net (as a percent) | 0.20% | (0.60%) | (2.10%)
Effective income tax rate (as a percent) | (16.10%) | 119.60% | 20.90%
Goodwill impairment charge | 265,038,000 | 0 | 0
Changes in realization on beginning of the year deferred tax assets | (37,300,000) |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Depreciation and amortization | 99,219,000 | 120,590,000 |
Expense accruals | 38,595,000 | 43,418,000 |
Inventories | 2,649,000 | 2,588,000 |
Provision for receivables | 1,677,000 | 2,205,000 |
Deferred revenue | 2,014,000 | 2,065,000 |
Operating loss carryforwards | 99,475,000 | 79,408,000 |
Foreign tax credit carryforwards | 24,223,000 | 29,540,000 |
Pensions | 104,413,000 | 95,657,000 |
Currency adjustments | 26,661,000 | 30,813,000 |
Post-retirement benefits | 1,160,000 | 1,079,000 |
Other | 25,324,000 | 19,299,000 |
Subtotal | 324,177,000 | 304,007,000 |
Total deferred income taxes (liabilities) | 101,233,000 | 122,655,000 |
Valuation allowance | (126,532,000) | (99,617,000) |
Total deferred income taxes (assets) | 197,645,000 | 204,390,000 |
Deferred Tax Assets, Net, Classification [Abstract] |  |  |
Other current assets | 45,672,000 | 50,694,000 |
Other assets | 70,271,000 | 59,200,000 |
Other current liabilities | (651,000) | (729,000) |
Deferred income taxes | (18,880,000) | (27,430,000) |
Non-cash tax expense | 6,100,000 | 35,400,000 |
Increase in the valuation allowance recorded through Accumulated other comprehensive loss | 22,900,000 |  |
Undistributed earnings indefinitely reinvested outside United States | 882,000,000 | 834,000,000 |
One-time cost associated with repatriation of undistributed earnings indefinitely reinvested outside United States | 166,000,000 |  |
Reduction in income tax expense resulting from tax holiday |  | 100,000 |
International operations |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 90,400,000 |  |
Deferred Tax Assets, Net, Classification [Abstract] |  |  |
Operating loss carryforwards not subject to expiration | 63,600,000 |  |
International operations | Expiring between 2013 and 2032 |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 26,800,000 |  |
U.S. state |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 9,100,000 |  |
U.S. state | Expiring between 2013 and 2017 |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 100,000 |  |
U.S. state | Expiring between 2018 and 2022 |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 3,100,000 |  |
U.S. state | Expiring between 2023 and 2027 |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 2,700,000 |  |
U.S. state | Expiring between 2028 and 2032 |  |  |
Components of Deferred Tax Assets and Liabilities [Abstract] |  |  |
Operating loss carryforwards | 3,200,000 |  |
Harsco Infrastructure Segment |  |  |
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |  |
Goodwill impairment charge | $ 265,038,000 |  |

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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 + Details
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to income that is exempt from income tax because of [foreign] tax holidays an entity has received in the period. A foreign tax "holiday" refers to a foreign jurisdiction that attempts to attract in-coming or foreign investment by offering an exemption from income taxes for some defined period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the United States that are not subject to U.S. federal income taxes. + References No definition available. + Details
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -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 -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -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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