v2.4.1.9
Stock-based Compensation (Schedule of Restricted Stock Unit Grants For The Period) (Details) (Restricted Stock Units (RSUs), USD $)
 3 Months Ended
Jan. 03, 2015
Granted, shares 1,165,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 38.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Performance-Based
  
Granted, shares 279,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCategoryAxis
= pmtc_PerformanceBasedMember		 [1]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 42.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCategoryAxis
= pmtc_PerformanceBasedMember
Time-Based
  
Granted, shares 886,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCategoryAxis
= pmtc_TimeBasedMember		 [2]
Time-Based | Vest in 3 Equal Installments on November 15, 2013, November 15, 2014 and November 15, 2015
  
Number of equal annual installments 3pmtc_NumberOfEqualAnnualInstallments
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCategoryAxis
= pmtc_TimeBasedMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardExpectedVestingPeriodAxis
= pmtc_VestIn3EqualInstallmentsOnNovember152013November152014AndNovember152015Member
Maximum [Member] | Performance-Based  
Granted, shares 522,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ pmtc_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCategoryAxis
= pmtc_PerformanceBasedMember		 [1]
[1] The performance-based RSUs were granted to employees
[2] The service-based RSUs were issued to employees, including our executive officers. Of these RSUs, approximately 110,000 will vest one year from the date of grant. Substantially all other service-based RSUs will vest in three substantially equal annual installments