XML 115 R32.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Deferred Revenue and Related Customer Receivables (Details) - USD ($) $ in Millions | Jun. 30, 2018 | Sep. 30, 2017
--- | --- | ---
Other Assets |  |
Deferred Revenue and Financing Receivables [Line Items] |  |
Billed but uncollected support and subscription related receivable | $ 108.7 | $ 160.9

X
- Definition Deferred Revenue and Financing Receivables [Line Items] + References No definition available. + Details
Name: | pmtc_DeferredRevenueAndFinancingReceivablesLineItems
Namespace Prefix: | pmtc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_AccountsAndOtherReceivablesNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |