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Acquisitions, Discontinued Operations and Formation of Shanghai Electric JV (Details 2) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 USD ($) | Sep. 29, 2012 USD ($) | Jun. 30, 2012 USD ($) | Mar. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Oct. 01, 2011 USD ($) | Jul. 02, 2011 USD ($) | Apr. 02, 2011 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2011 January 2012 CNY | Dec. 31, 2012 December 2012 CNY | Mar. 31, 2012 Shanghai Electric JV USD ($) | Dec. 31, 2011 Shanghai Electric JV CNY | Dec. 31, 2012 SPX Service Solutions ("Service Solutions") USD ($) | Dec. 31, 2012 SPX Service Solutions ("Service Solutions") USD ($) | Dec. 31, 2010 Cooling Spain Packaging business ("Cooling Spain") USD ($) | Dec. 31, 2010 Cooling Spain Packaging business ("Cooling Spain") EUR (€) | Dec. 31, 2010 P.S.D., Inc. ("PSD") USD ($) | Dec. 31, 2012 Other businesses sold prior to the earliest date presented in the financial statements USD ($) | Dec. 31, 2011 Other businesses sold prior to the earliest date presented in the financial statements USD ($) | Dec. 31, 2010 Other businesses sold prior to the earliest date presented in the financial statements USD ($) | Dec. 31, 2012 Tianyu USD ($) | Dec. 31, 2012 Tianyu CNY | Dec. 31, 2012 Weil McLain Shandong USD ($)
Sale of discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on disposition of discontinued operations, net of tax |  |  |  |  |  |  |  |  | $ 313.4 | $ 0.3 | $ 11.7 |  |  |  |  | $ 313.4 | $ 313.4 | $ (1.9) |  | $ 3.6 |  |  |  | $ (1.8) |  | $ 2.2
Impairment charges |  |  |  |  |  |  |  |  | 3.4 | 8.2 | 6.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest acquired in joint venture (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45.00% |  |  |  |  |  |  |  |  |  |  |
Dispositions, consideration received |  |  |  |  |  |  |  |  |  |  |  | 51.5 | 25.8 |  |  |  |  |  |  |  |  |  |  |  |  |
Dispositions, consideration to be received |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 96.7 |  |  |  |  |  |  |  |  |  |  |
Net gain associated with deconsolidation |  |  |  | 20.5 |  |  |  |  | 20.5 |  |  |  |  | 20.5 |  |  |  |  |  |  |  |  |  |  |  |
Cash transferred with the business in sale of discontinued operation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.3 |  |  |  |  |  | 1.1 |  | 3.1
Cash consideration received upon sale of discontinued operation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,134.9 |  | 1.0 | 3.0 |  |  |  |  | 1.0 | 2.7
Adjustment to gain (loss) on sale of discontinued operations, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (0.4) | 0.4 | 2.7 |  |  |
Recognition of income tax benefits to discontinuing operations |  |  |  |  |  |  |  |  |  |  | 7.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from discontinued operations and related income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from discontinued operations |  |  |  |  |  |  |  |  | 600.0 | 46.8 | 19.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (259.6) | (16.8) | 4.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from discontinued operations, net of tax | 320.0 | 6.1 | 9.7 | 4.6 | 5.0 | 11.5 | 9.5 | 4.0 | 340.4 | 30.0 | 24.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Results of operations for businesses reported as discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 825.0 | 925.0 | 793.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax income |  |  |  |  |  |  |  |  | 44.4 | 49.8 | 20.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  |  |  |  | 195.1 |  |  |  |  | 195.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inventories |  |  |  |  | 132.4 |  |  |  |  | 132.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current assets |  |  |  |  | 10.4 |  |  |  |  | 10.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, net |  |  |  |  | 49.2 |  |  |  |  | 49.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill and intangibles, net |  |  |  |  | 285.8 |  |  |  |  | 285.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  |  |  |  | 58.7 |  |  |  |  | 58.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets of discontinued operations |  |  |  |  | 731.6 |  |  |  |  | 731.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  |  |  | 111.9 |  |  |  |  | 111.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued expenses |  |  |  |  | 114.1 |  |  |  |  | 114.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income taxes payable |  |  |  |  | 1.5 |  |  |  |  | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred and other income taxes |  |  |  |  | 6.6 |  |  |  |  | 6.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other liabilities |  |  |  |  | 7.6 |  |  |  |  | 7.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities of discontinued operations |  |  |  |  | $ 241.7 |  |  |  |  | $ 241.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition For the disposal group, including a component of the entity (discontinued operation), carrying amount as of the balance sheet date of assets not otherwise specified. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph a -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 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 amount of assets not otherwise specified in the taxonomy that are expected to be realized or consumed within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph a -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 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 sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph c -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 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 This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): 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 (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph c -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -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 Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 15 Reference 9: 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 The obligations arising from the sale, disposal, or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 46 -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 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760 + Details
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