    <SEC-DOCUMENT>0001654954-19-010340-index.html : 20190904
    <SEC-HEADER>0001654954-19-010340.hdr.sgml : 20190904
    <ACCEPTANCE-DATETIME>20190904160359
    ACCESSION NUMBER:		0001654954-19-010340
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		28
    CONFORMED PERIOD OF REPORT:	20190904
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190904
    DATE AS OF CHANGE:		20190904

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PTC INC.
    		CENTRAL INDEX KEY:			0000857005
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
    		IRS NUMBER:				042866152
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18059
    		FILM NUMBER:		191074591

    	BUSINESS ADDRESS:
    		STREET 1:		121 SEAPORT BOULEVARD
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02210
    		BUSINESS PHONE:		7813705000

    	MAIL ADDRESS:
    		STREET 1:		121 SEAPORT BOULEVARD
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02210

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PARAMETRIC TECHNOLOGY CORP
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ptc_8k.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: ptc_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991reportingmetric.htm
    <DESCRIPTION>PRESENTATION
    <TEXT>
    Document 2 - file: exhibit991reportingmetric.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>exhibit991reportingmetri000.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: exhibit991reportingmetri000.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>exhibit991reportingmetri001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: exhibit991reportingmetri001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>exhibit991reportingmetri002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: exhibit991reportingmetri002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exhibit991reportingmetri003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: exhibit991reportingmetri003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exhibit991reportingmetri004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: exhibit991reportingmetri004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit991reportingmetri005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: exhibit991reportingmetri005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit991reportingmetri006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: exhibit991reportingmetri006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit991reportingmetri007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: exhibit991reportingmetri007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit991reportingmetri008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: exhibit991reportingmetri008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit991reportingmetri009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: exhibit991reportingmetri009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit991reportingmetri010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: exhibit991reportingmetri010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit991reportingmetri011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: exhibit991reportingmetri011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit991reportingmetri012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: exhibit991reportingmetri012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit991reportingmetri013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: exhibit991reportingmetri013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exhibit991reportingmetri014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: exhibit991reportingmetri014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>18
    <FILENAME>ptc-20190904.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 18 - file: ptc-20190904.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>19
    <FILENAME>ptc-20190904_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 19 - file: ptc-20190904_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>20
    <FILENAME>ptc-20190904_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
    Document 20 - file: ptc-20190904_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>23
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>26
    <FILENAME>0001654954-19-010340-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: 0001654954-19-010340-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: FilingSummary.html

    Document 27 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>28
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>ptc_8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: ptc_8k_htm.html

    Document 29 - RAW XML: ptc_8k_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>