XML 102 R102.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
LegalMatter
Dec. 31, 2013
Loss Contingencies [Line Items]    
Product Warranty Accrual, Period Increase (Decrease) $ 13.0us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease  
Number Of Claims In Lawsuit 3,400us-gaap_LossContingencyPendingClaimsNumber  
Liability For claims and contingencies 249.1pnr_LiabilityForClaimsAndContingencies 254.7pnr_LiabilityForClaimsAndContingencies
Liability reserve for insurance claims 115.8pnr_LiabilityReserveForInsuranceClaims 119.6pnr_LiabilityReserveForInsuranceClaims
Environmental Reserve 31.4pnr_EnvironmentalReserveOtherAccruedCosts 34.8pnr_EnvironmentalReserveOtherAccruedCosts
Outstanding Value Of Letters Of Credit 370.1us-gaap_LettersOfCreditOutstandingAmount 484.0us-gaap_LettersOfCreditOutstandingAmount
Compliance Settlement Period 3 years  
Water Transport [Domain]    
Loss Contingencies [Line Items]    
Outstanding Value Of Letters Of Credit $ 32.4us-gaap_LettersOfCreditOutstandingAmount
/ dei_LegalEntityAxis
= pnr_WaterTransportDomain		 $ 25.3us-gaap_LettersOfCreditOutstandingAmount
/ dei_LegalEntityAxis
= pnr_WaterTransportDomain