XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information
 6 Months Ended
Jun. 29, 2019
shares
Document And Entity Information [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Jun. 29, 2019
Document Transition Report false
Entity File Number 001-33642
Entity Registrant Name MASIMO CORP
Entity Incorporation, State or Country Code DE
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
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol MASI
Security Exchange Name NASDAQ
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Smaller Reporting Company false
Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 53,325,842
Amendment Flag false
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q2
Entity Central Index Key 0000937556
Current Fiscal Year End Date --12-28