Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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- Definition

Number of defendants named in a legal action.

+ References

No definition available.

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- Definition

The estimated maximum amount of possible loss from the contingency.

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- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 3

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Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.

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- Definition

Amount of disgorgement and prejudgment interest attributable to the disposal group, including a component of the entity (discontinued operation), as of the reporting period.

+ References

No definition available.

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Amount of penalties attributable to the disposal group, including a component of the entity (discontinued operation), as of the reporting period.

+ References

No definition available.

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- Definition

Represents the period of stay for the class action complaint filed.

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No definition available.

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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