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Contingencies and Environmental Remediation (Details) $ in Millions |  |  |  | 2 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 16, 2016 USD ($) | Sep. 28, 2014 USD ($) | Dec. 12, 2013 USD ($) | Dec. 31, 2014 item | Dec. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Litigation contingencies |  |  |  |  |  |  |  |
Reasonably possible loss in excess of the amount accrued for its legal contingencies |  |  |  |  | $ 3.7 | $ 3.7 |  |
Connector Class Action |  |  |  |  |  |  |  |
Litigation contingencies |  |  |  |  |  |  |  |
Number of class action complaints | item |  |  |  | 3 |  |  |  |
Total settlement amount on proposed litigation | $ 14.0 |  |  |  |  |  |  |
Possible loss on proposed estimate | 4.1 |  |  |  |  |  |  |
Estimated insurance receivable | $ 9.9 |  |  |  |  |  |  |
Liability recorded |  |  |  |  | 14.0 | 14.0 |  |
Liability recorded, current |  |  |  |  | 7.8 | 7.8 |  |
Liability recorded, noncurrent |  |  |  |  | 6.2 | 6.2 |  |
Insurance proceeds, current assets |  |  |  |  | 9.5 | 9.5 |  |
Pre-tax litigation settlement amount, charged to earnings |  |  |  |  | 3.5 |  |  |
Trabakoolas et al., v, Watts Water Technologies, Inc., et al. |  |  |  |  |  |  |  |
Litigation contingencies |  |  |  |  |  |  |  |
Total settlement amount |  |  | $ 23.0 |  |  |  |  |
Possible loss |  |  | 14.0 |  |  |  |  |
Insurance proceeds |  |  | $ 9.0 |  |  |  |  |
Liability recorded |  |  |  |  | $ 6.5 | 6.5 |  | $ 22.6
Liability recorded, current |  |  |  |  |  |  |  | 12.7
Liability recorded, noncurrent |  |  |  |  |  |  |  | 9.9
Insurance proceeds, current assets |  |  |  |  |  |  |  | $ 9.0
Receivable receipts for insurance proceeds |  | $ 9.0 |  |  |  |  |  |
Reduction in liability |  |  |  |  |  | $ 2.3 | $ 13.8 |
Period for payment of remaining liability |  |  |  |  |  | 3 years |  |
Asbestos Litigation |  |  |  |  |  |  |  |
Litigation contingencies |  |  |  |  |  |  |  |
Number of lawsuits the entity is defending in different jurisdictions | item |  |  |  |  |  | 310 |  |

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