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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 LegalMatter | Dec. 31, 2011
Loss Contingencies [Line Items] |  |
Number Of Lawsuits | 1,900 |
Number Of Claims In Lawsuit | 2,300 |
Liability For claims and contingencies | $ 234.6 | $ 0.6
Liability reserve for insurance claims | 157.4 | 0
Environmental Reserve | 35.9 | 1.5
Outstanding Value Of Letters Of Credit | $ 493.2 | $ 136.2

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- Definition Environmental reserve, other accrued costs. + References No definition available. + Details
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- Definition Liability For Claims And Contingencies + References No definition available. + Details
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Namespace Prefix: | pnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Liability Reserve For Insurance Claims + References No definition available. + Details
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- Definition Number Of Claims In Lawsuit + References No definition available. + Details
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- Definition Number Of Lawsuits + References No definition available. + Details
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Namespace Prefix: | pnr_
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Details
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