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Commitments and Contingencies (Details)										1 Months Ended			3 Months Ended
Commitments and Contingencies (Details)	Mar. 29, 2025 USD ($) executiveOfficer	Feb. 28, 2025 USD ($)	Jan. 17, 2025 USD ($)	Nov. 13, 2024 USD ($) shares	Jan. 01, 2024	Jun. 05, 2023 USD ($)	Jan. 30, 2023 patent	Oct. 13, 2020 patent	Nov. 04, 2015 USD ($)	Oct. 31, 2024 USD ($)	Feb. 28, 2023 patent	Jul. 31, 2017	Mar. 29, 2025 USD ($) distributor executiveOfficer shares	Mar. 30, 2024 distributor shares	Dec. 28, 2024 USD ($)	Oct. 24, 2024 USD ($)	Oct. 20, 2022 complaint
Contingencies And Commitments [Line Items]
Severance plan participation agreements \| executiveOfficer	3												3
Required notice of resignation													6 months
Royalty obligation	$ 5,000,000												$ 5,000,000
License fee	2,500,000												2,500,000
Change in control	15,000,000												15,000,000			$ 15,000,000
Royalty guarantees, commitments, additional, change in control	2,000,000												2,000,000			2,000,000
License fee paid																$ 2,500,000
Remaining commitment	240,100,000												240,100,000
Other commitment	4,200,000												4,200,000
Success fee payment period					60 days
Loss contingency, success fee amount	18,600,000
Cash and cash equivalents	130,800,000												130,800,000		$ 123,600,000
Bank balance covered by federal deposit insurance corporation limit	$ 4,000,000.0												$ 4,000,000.0
Ms Catherine Szyman
Contingencies And Commitments [Line Items]
Annual base salary			$ 1,000,000
Annual target long-term incentive award			$ 7,000,000
Retirement policy attainment period			60 years
Continuous employment period			5 years
Minimum \| Ms Catherine Szyman
Contingencies And Commitments [Line Items]
Base salary percentage			100.00%
Maximum \| Ms Catherine Szyman
Contingencies And Commitments [Line Items]
Base salary percentage			200.00%
Masimo Vs. Apple Inc
Contingencies And Commitments [Line Items]
Number of patents found infringed \| patent							1				2
Masimo Vs. Apple Inc \| Pending Litigation
Contingencies And Commitments [Line Items]
Asserted patents found valid \| patent								3
Asserted patents found invalid \| patent								9
Apple, Inc. Patent Infringement \| Pending Litigation
Contingencies And Commitments [Line Items]
Number of complaints \| complaint																	2
Loss contingency, damages awarded, value										$ 250
Brennan Agreement
Contingencies And Commitments [Line Items]
Annual base salary				$ 1,042,000
Discretionary bonus of target amount				$ 621,250
Masimo V.S. Mr. Kiani \| Pending Litigation
Contingencies And Commitments [Line Items]
Loss contingency, damages sought, value		$ 100,000,000
Sales
Contingencies And Commitments [Line Items]
Distributors \| distributor													1	1
GPO Members \| Revenue Benchmark \| Customer Concentration Risk
Contingencies And Commitments [Line Items]
Concentration risk, percentage													58.70%	55.70%
Just in time distributor one \| Revenue Benchmark \| Customer Concentration Risk
Contingencies And Commitments [Line Items]
Concentration risk, percentage													18.90%	16.20%
Healthcare Customer \| Accounts Receivable \| Customer Concentration Risk
Contingencies And Commitments [Line Items]
Percentage of accounts receivable balance	10.60%												10.60%		14.10%
Restricted Stock Units (RSUs)
Contingencies And Commitments [Line Items]
Granted (in units) \| shares													200,000
Restricted Stock Units (RSUs) \| Brennan Agreement
Contingencies And Commitments [Line Items]
Granted (in units) \| shares				8,916
Chief Executive Officer
Contingencies And Commitments [Line Items]
Severance payment period									3 years
Equity awards									$ 2,700,000
Cash payment									$ 35,000,000
Qualifying termination						$ 479,700,000
Chief Executive Officer \| Cash Distribution
Contingencies And Commitments [Line Items]
Severance terms												50.00%
Chief Executive Officer \| Restricted Stock Units (RSUs)
Contingencies And Commitments [Line Items]
Severance terms												50.00%
Granted (in units) \| shares													2,700,000	2,700,000