XML 144 R87.htm IDEA: XBRL DOCUMENT
v3.19.3

Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017 | Jan. 12, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Payment of contingent consideration | $ 1,575 | $ 8,925 |  |
Contingent consideration | 0 | 1,575 | $ 8,400 |
Cash Provided For (Used In) Financing Activities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Payment of contingent consideration | 1,600 | 8,300 | 11,000 |
Kepware [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Payment of contingent consideration | 0 | 8,400 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  | $ 18,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low |  |  |  | $ 16,900
Contingent consideration | $ 0 | $ 0 | $ 8,400 |

X
- Definition Contingent Consideration Liability, Fair Value Disclosure + References No definition available. + Details
Name: | pmtc_ContingentConsiderationLiabilityFairValueDisclosure
Namespace Prefix: | pmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition payment of contingent consideration + References No definition available. + Details
Name: | pmtc_Paymentofcontingentconsideration
Namespace Prefix: | pmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | pmtc_StatementofCashFlowsAxis=pmtc_CashProvidedForUsedInFinancingActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=pmtc_AcquiredentitynameKepwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |