XML 202 R91.htm IDEA: XBRL DOCUMENT
v3.19.3

Derivative Financial Instruments (Notional Amounts of Outstanding Forward Contracts (Details) - Foreign Exchange Forward [Member] - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 498,355 | $ 405,956
Not Designated as Hedging Instrument [Member] | Canadian / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 9,408 | 7,334
Not Designated as Hedging Instrument [Member] | Euro / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 308,282 | 297,730
Not Designated as Hedging Instrument [Member] | British Pound / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 3,756 | 7,074
Not Designated as Hedging Instrument [Member] | Israeli Sheqel / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 10,272 | 9,778
Not Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 37,462 | 37,456
Not Designated as Hedging Instrument [Member] | Swiss Franc / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 12,001 | 11,944
Not Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 20,636 | 18,207
Not Designated as Hedging Instrument [Member] | Chinese Yuan offshore / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 43,387 | 116
Not Designated as Hedging Instrument [Member] | Singapore Dollar / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 34,585 | 1,314
Not Designated as Hedging Instrument [Member] | Chinese Renminbi / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 9,079 | 9,010
Not Designated as Hedging Instrument [Member] | All other |  |
Derivative [Line Items] |  |
Derivative, notional amount | 9,487 | 5,993
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, notional amount | 183,396 | 0
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Euro / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 183,396 | 0
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, notional amount | 0 | 12,396
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Euro / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 0 | 8,495
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | 0 | 2,193
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 0 | $ 1,708

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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CAD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_ILS
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_JPY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CHF
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_SEK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=pmtc_ChineseYuanOffshoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_SGD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=pmtc_AllOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |