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Contingent Liabilities and Other Matters - General (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) corporate_entity | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |
Carrying values of accruals | $ 592.4 | $ 631.7 | $ 592.4 | $ 631.7 |
Liabilities for asbestos product liability | 552.2 | 587.5 | 552.2 | 587.5 |
Proceeds from insurance recoveries |  |  | 47.1 | 45.3 | $ 57.3
Payments for asbestos-related matters, net of insurance recoveries |  |  | 13.1 | 9.7 | 1.0
Recorded charges related to asbestos product liability matters | 8.3 | 2.4 |  |  | 5.7
Asbestos Related Claims |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Insurance recovery assets | 509.6 | 541.9 | $ 509.6 | 541.9 |
Asbestos Related Claims | Minimum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of corporate entities named defendants | corporate_entity |  |  | 50 |  |
Other Operating Income (Expense) |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Recorded charges related to asbestos product liability matters |  |  | $ 4.5 | 2.0 | 3.5
Gain (Loss) on Disposition of Discontinued Operations, Net of Tax |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Recorded charges related to asbestos product liability matters |  |  | 3.8 | 0.4 | $ 2.2
Other Long Term Liabilities |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Accruals included in other long-term liabilities | 517.6 | 600.3 | 517.6 | 600.3 |
Other assets | Asbestos Related Claims |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Insurance recovery assets | $ 459.6 | $ 541.9 | $ 459.6 | $ 541.9 |
Buildings | SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Duration of office lease agreement | 5 years |  | 5 years |  |
2020 | $ 2.1 |  | $ 2.1 |  |

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