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Contingencies and Environmental Remediation (Details) (USD $) In Millions, unless otherwise specified |  | 12 Months Ended | 0 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2013 Asbestos Litigation item | Oct. 13, 2011 Foreign Corrupt Practices Act Settlement CWV | Dec. 12, 2013 Trabakoolas et al., v, Watts Water Technologies, Inc., et al. | Aug. 22, 2013 Trabakoolas et al., v, Watts Water Technologies, Inc., et al. | Dec. 31, 2013 Trabakoolas et al., v, Watts Water Technologies, Inc., et al.
Litigation contingencies |  |  |  |  |  |
Reasonably possible loss in excess of the amount accrued for its legal contingencies | $ 11.2 |  |  |  |  |
Period of stay for class action |  |  |  |  | 45 days |
Total settlement amount |  |  |  | 23.0 |  |
Possible loss |  |  |  | 14.0 |  |
Insurance proceeds |  |  |  | 9.0 |  |
Liability recorded |  |  |  |  |  | 22.6
Liability recorded, current |  |  |  |  |  | 12.7
Liability recorded, noncurrent |  |  |  |  |  | 9.9
Insurance proceeds, current assets |  |  |  |  |  | 9.0
Payment related to disgorgement and prejudgment interest |  |  | 3.6 |  |  |
Penalties |  |  | $ 0.2 |  |  |
Number of lawsuits the entity is defending in different jurisdictions |  | 44 |  |  |  |

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