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

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

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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Amount of increase (decrease) in loss contingency liability.

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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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-Publisher FASB

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-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

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- Definition

Number of defendants named in a legal action.

+ References

No definition available.

+ Details

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248

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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

Represents the period to take an appeal after written order is entered.

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No definition available.

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Contingencies and Environmental Remediation (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended		6 Months Ended
	Jul. 18, 2014	Dec. 12, 2013	Jun. 29, 2014	Dec. 31, 2013
Litigation contingencies
Reasonably possible loss in excess of the amount accrued for its legal contingencies			$ 10.3
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
Period to take an appeal after written order	30 days
Liability recorded			21.3	22.6
Liability recorded, current				12.7
Liability recorded, noncurrent				9.9
Insurance proceeds, current assets				9.0
Reduction in liability			$ 1.3
Asbestos Litigation
Litigation contingencies
Number of lawsuits the entity is defending in different jurisdictions			47