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Quarterly Results (Unaudited) (Narrative) (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]                  
Gains (Losses) on Extinguishment of Debt     $ 8,584,000us-gaap_GainsLossesOnExtinguishmentOfDebt       $ 8,584,000us-gaap_GainsLossesOnExtinguishmentOfDebt $ 26,930,000us-gaap_GainsLossesOnExtinguishmentOfDebt $ 32,071,000us-gaap_GainsLossesOnExtinguishmentOfDebt
Charges included in homebuilding income before income taxes           66,600,000phm_OtherExpensesRealEstateServices      
Adjustment to self insurance reserves (15,200,000)phm_AdjustmentToSelfInsuranceReserves 84,500,000phm_AdjustmentToSelfInsuranceReserves         69,300,000phm_AdjustmentToSelfInsuranceReserves    
Loss Contingency Accrual, Period Increase (Decrease)     (18,600,000)us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease           49,000,000us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
Valuation allowance adjustment $ 49,600,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount     $ 73,700,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount $ 2,100,000,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount   $ 45,600,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount