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Effect of Accounting Changes (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended | 0 Months Ended
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Dec. 31, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 31, 2012 | Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Domestic Pension Plans | Dec. 31, 2013 Historical method | Dec. 31, 2013 Historical method Domestic Pension Plans | Dec. 31, 2012 As Revised and Restated | Dec. 31, 2011 As Revised and Restated | Dec. 31, 2013 Effect of Change | Dec. 31, 2012 Effect of Change | Dec. 31, 2011 Effect of Change | Jan. 02, 2011 Adoption of new accounting method Effect of Change
Consolidated Statements of Operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of products sold |  |  |  |  |  |  |  |  | $ 3,359.6 | $ 3,517.4 | $ 3,066.4 |  | $ 3,388.4 |  | $ 3,511.6 | $ 3,065.6 | $ (28.8) | $ 5.8 | $ 0.8 |
Selling, general and administrative |  |  |  |  |  |  |  |  | 956.0 | 1,112.6 | 897.4 |  | 1,370.5 |  | 999.1 | 882.1 | (414.5) | 113.5 | 15.3 |
Operating income (loss) |  |  |  |  |  |  |  |  | 329.6 | (142.4) | 237.0 |  | (113.7) |  | (23.1) | 253.1 | 443.3 | (119.3) | (16.1) |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 256.1 | (197.9) | 120.4 |  | (187.2) |  | (78.6) | 136.5 | 443.3 | (119.3) | (16.1) |
Income tax (provision) benefit |  |  |  |  |  |  |  |  | (54.8) | 21.3 | 12.3 |  | 115.8 |  | (21.0) | 8.2 | (170.6) | 42.3 | 4.1 |
Income (loss) from continuing operations | 84.4 | 63.1 | 39.2 | 14.6 | (275.7) | 53.8 | 35.5 | 9.8 | 201.3 | (176.6) | 132.7 |  | (71.4) |  | (99.6) | 144.7 | 272.7 | (77.0) | (12.0) |
Income from discontinued operations | 2.5 | 5.4 | 8.0 | (4.6) | 321.0 | 12.0 | 18.2 | 8.6 | 11.3 | 359.8 | 43.5 |  | 8.2 |  | 360.2 | 51.6 | 3.1 | (0.4) | (8.1) |
Net income (loss) | 86.9 | 68.5 | 47.2 | 10.0 | 45.3 | 65.8 | 53.7 | 18.4 | 212.6 | 183.2 | 176.2 |  | (63.2) |  | 260.6 | 196.3 | 275.8 | (77.4) | (20.1) |
Net income (loss) attributable to SPX Corporation common shareholders | 87.0 | 69.3 | 45.2 | 8.7 | 45.0 | 63.4 | 52.9 | 19.1 | 210.2 | 180.4 | 171.2 |  | (65.6) |  | 257.8 | 191.3 | 275.8 | (77.4) | (20.1) |
Amounts attributable to SPX Corporation common shareholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations, net of tax |  |  |  |  |  |  |  |  | 199.1 | (179.6) | 127.7 |  | (73.6) |  | (102.6) | 139.7 | 272.7 | (77.0) | (12.0) |
Income from discontinued operations, net of tax |  |  |  |  |  |  |  |  | 11.1 | 360.0 | 43.5 |  | 8.0 |  | 360.4 | 51.6 | 3.1 | (0.4) | (8.1) |
Net income attributable to SPX Corporation common shareholders | 87.0 | 69.3 | 45.2 | 8.7 | 45.0 | 63.4 | 52.9 | 19.1 | 210.2 | 180.4 | 171.2 |  | (65.6) |  | 257.8 | 191.3 | 275.8 | (77.4) | (20.1) |
Basic income (loss) per share of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ 1.89 | $ 1.43 | $ 0.81 | $ 0.29 | $ (5.56) | $ 1.03 | $ 0.69 | $ 0.21 | $ 4.39 | $ (3.59) | $ 2.53 |  | $ (1.62) |  | $ (2.05) | $ 2.77 | $ 6.01 | $ (1.54) | $ (0.24) |
Discontinued operations, net of tax (in dollars per share) | $ 0.05 | $ 0.12 | $ 0.18 | $ (0.10) | $ 6.47 | $ 0.24 | $ 0.37 | $ 0.17 | $ 0.24 | $ 7.20 | $ 0.86 |  | $ 0.17 |  | $ 7.20 | $ 1.02 | $ 0.07 |  | $ (0.16) |
Net income per share attributable to SPX Corporation common shareholders (in dollars per share) | $ 1.94 | $ 1.55 | $ 0.99 | $ 0.19 | $ 0.91 | $ 1.27 | $ 1.06 | $ 0.38 | $ 4.63 | $ 3.61 | $ 3.39 |  | $ (1.45) |  | $ 5.15 | $ 3.79 | $ 6.08 | $ (1.54) | $ (0.40) |
Diluted income (loss) per share of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ 1.85 | $ 1.42 | $ 0.81 | $ 0.28 | $ (5.56) | $ 1.03 | $ 0.68 | $ 0.20 | $ 4.33 | $ (3.59) | $ 2.51 |  | $ (1.62) |  | $ (2.05) | $ 2.74 | $ 5.95 | $ (1.54) | $ (0.23) |
Discontinued operations, net of tax (in dollars per share) | $ 0.06 | $ 0.12 | $ 0.17 | $ (0.10) | $ 6.47 | $ 0.24 | $ 0.36 | $ 0.17 | $ 0.24 | $ 7.20 | $ 0.85 |  | $ 0.17 |  | $ 7.20 | $ 1.01 | $ 0.07 |  | $ (0.16) |
Net income per share attributable to SPX Corporation common shareholders (in dollars per share) | $ 1.91 | $ 1.54 | $ 0.98 | $ 0.18 | $ 0.91 | $ 1.27 | $ 1.04 | $ 0.37 | $ 4.57 | $ 3.61 | $ 3.36 |  | $ (1.45) |  | $ 5.15 | $ 3.75 | $ 6.02 | $ (1.54) | $ (0.39) |
Consolidated Statements of Comprehensive Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 86.9 | 68.5 | 47.2 | 10.0 | 45.3 | 65.8 | 53.7 | 18.4 | 212.6 | 183.2 | 176.2 |  | (63.2) |  | 260.6 | 196.3 | 275.8 | (77.4) | (20.1) |
Pension liability adjustment, net of tax |  |  |  |  |  |  |  |  | (2.2) | (1.0) | (2.1) |  | (278.0) |  | (80.3) | (21.7) | (275.8) | 79.3 | 19.6 |
Consolidated Balance Sheets / Consolidated Statements of Equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings | 2,303.1 |  |  |  | 2,138.4 |  |  |  | 2,303.1 | 2,138.4 | 2,008.9 |  | 2,541.0 |  | 2,652.1 | 2,445.2 | (237.9) | (513.7) | (436.3) |
Accumulated other comprehensive income (loss) | 287.5 |  |  |  | 284.8 |  |  |  | 287.5 | 284.8 | 189.8 |  | 49.6 |  | (228.9) | (246.5) | 237.9 | 513.7 | 436.3 |
Consolidated Statement of Cash Flows: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 86.9 | 68.5 | 47.2 | 10.0 | 45.3 | 65.8 | 53.7 | 18.4 | 212.6 | 183.2 | 176.2 |  | (63.2) |  | 260.6 | 196.3 | 275.8 | (77.4) | (20.1) |
Less: Income from discontinued operations, net of tax | 2.5 | 5.4 | 8.0 | (4.6) | 321.0 | 12.0 | 18.2 | 8.6 | 11.3 | 359.8 | 43.5 |  | 8.2 |  | 360.2 | 51.6 | 3.1 | (0.4) | (8.1) |
Income (loss) from continuing operations | 84.4 | 63.1 | 39.2 | 14.6 | (275.7) | 53.8 | 35.5 | 9.8 | 201.3 | (176.6) | 132.7 |  | (71.4) |  | (99.6) | 144.7 | 272.7 | (77.0) | (12.0) |
Deferred and other income taxes |  |  |  |  |  |  |  |  | 95.0 | (43.6) | (39.8) |  | (75.6) |  | (1.3) | (35.7) | 170.6 | (42.3) | (4.1) |
Pension and other employee benefits |  |  |  |  |  |  |  |  | (0.1) | 176.1 | 72.3 |  | 443.2 |  | 56.8 | 56.2 | (443.3) | 119.3 | 16.1 |
Retained earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 416.2
Pension and postretirement benefit expense |  |  |  |  |  |  |  |  |  |  |  | (17.7) |  | 425.6 |  |  |  |  |  |
Loss that would have been recognized substantially as a result of the settlement |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 399.4 |  |  |  |  |  |
Percentage of projected benefit obligation |  |  |  |  |  |  |  |  |  |  |  |  |  | 61.00% |  |  |  |  |  |

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6386349&loc=d3e3636-108311 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Paragraph 5A -Chapter 4 -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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