XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.3
Document and Entity Information Entity Information
Oct. 24, 2019
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Oct. 24, 2019
Entity Registrant Name MASIMO CORP
Entity Incorporation, State or Country Code DE
Entity File Number 001-33642
Entity Tax Identification Number 33-0368882
Entity Address, Address Line One 52 Discovery
Entity Address, City or Town Irvine
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92618
City Area Code (949)
Local Phone Number 297-7000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol MASI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0000937556
Current Fiscal Year End Date --12-28
Amendment Flag false