<SEC-DOCUMENT>0000937556-20-000169-index.html : 20201027
<SEC-HEADER>0000937556-20-000169.hdr.sgml : 20201027
<ACCEPTANCE-DATETIME>20201027160957
ACCESSION NUMBER:		0000937556-20-000169
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		54
CONFORMED PERIOD OF REPORT:	20201027
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20201027
DATE AS OF CHANGE:		20201027

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASIMO CORP
		CENTRAL INDEX KEY:			0000937556
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				330368882
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0102

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33642
		FILM NUMBER:		201264242

	BUSINESS ADDRESS:	
		STREET 1:		52 DISCOVERY
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		949-297-7000

	MAIL ADDRESS:	
		STREET 1:		52 DISCOVERY
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>masi-20201027.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: masi-20201027.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>masi-20201027xex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: masi-20201027xex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>masi-q32020earningspres.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: masi-q32020earningspres.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>masi-q32020nongaapsupp.htm
<DESCRIPTION>EX-99.3
<TEXT>
Document 4 - file: masi-q32020nongaapsupp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>5
<FILENAME>masi-q32020nongaapdefn.htm
<DESCRIPTION>EX-99.4
<TEXT>
Document 5 - file: masi-q32020nongaapdefn.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>masi-q32020earningspres001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: masi-q32020earningspres001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>masi-q32020earningspres002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: masi-q32020earningspres002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>masi-q32020earningspres003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: masi-q32020earningspres003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>masi-q32020earningspres004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: masi-q32020earningspres004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>masi-q32020earningspres005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: masi-q32020earningspres005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>masi-q32020earningspres006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: masi-q32020earningspres006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>masi-q32020earningspres007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: masi-q32020earningspres007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>masi-q32020earningspres008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: masi-q32020earningspres008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>masi-q32020earningspres009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: masi-q32020earningspres009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>masi-q32020earningspres010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: masi-q32020earningspres010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>masi-q32020earningspres011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: masi-q32020earningspres011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>masi-q32020earningspres012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: masi-q32020earningspres012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>masi-q32020earningspres013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: masi-q32020earningspres013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>masi-q32020earningspres014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: masi-q32020earningspres014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>masi-q32020earningspres015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: masi-q32020earningspres015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>masi-q32020earningspres016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: masi-q32020earningspres016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>masi-q32020earningspres017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: masi-q32020earningspres017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>masi-q32020earningspres018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: masi-q32020earningspres018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>masi-q32020earningspres019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: masi-q32020earningspres019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>masi-q32020earningspres020.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: masi-q32020earningspres020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>masi-q32020nongaapsupp001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: masi-q32020nongaapsupp001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>masi-q32020nongaapsupp002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: masi-q32020nongaapsupp002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>masi-q32020nongaapsupp003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: masi-q32020nongaapsupp003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>masi-q32020nongaapsupp004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: masi-q32020nongaapsupp004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>masi-q32020nongaapsupp005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: masi-q32020nongaapsupp005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>masi-q32020nongaapdefn001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: masi-q32020nongaapdefn001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>masi-q32020nongaapdefn002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 32 - file: masi-q32020nongaapdefn002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>masi-q32020nongaapdefn003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 33 - file: masi-q32020nongaapdefn003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>masi-q32020nongaapdefn004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 34 - file: masi-q32020nongaapdefn004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>masi-q32020nongaapdefn005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 35 - file: masi-q32020nongaapdefn005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>masi-q32020nongaapdefn006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 36 - file: masi-q32020nongaapdefn006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>masi-q32020nongaapdefn007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 37 - file: masi-q32020nongaapdefn007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>masi-q32020nongaapdefn008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 38 - file: masi-q32020nongaapdefn008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>masi-q32020nongaapdefn009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 39 - file: masi-q32020nongaapdefn009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>masimologoq20201a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 40 - file: masimologoq20201a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>masi-20201027_g1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 41 - file: masi-20201027_g1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>42
<FILENAME>masi-20201027.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 42 - file: masi-20201027.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>43
<FILENAME>masi-20201027_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 43 - file: masi-20201027_cal.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>44
<FILENAME>masi-20201027_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 44 - file: masi-20201027_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>45
<FILENAME>masi-20201027_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 45 - file: masi-20201027_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>46
<FILENAME>masi-20201027_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 46 - file: masi-20201027_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>47
<FILENAME>masi-20201027_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 47 - file: masi-20201027_htm.html

Document 47 - RAW XML: masi-20201027_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>48
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 48 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>49
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 49 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>50
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 50 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>51
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 51 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>52
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 52 - file: FilingSummary.html

Document 52 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>54
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 54 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>55
<FILENAME>0000937556-20-000169-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 55 - file: 0000937556-20-000169-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>