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Description of the Company	12 Months Ended
Description of the Company	Jan. 03, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of the Company	1. Description of the Company Masimo Corporation (the “Company”) is a global medical technology company that develops and produces a wide array of industry-leading patient monitoring technologies, including innovative measurements, sensors, and patient monitors. Powered by the Masimo Hospital Automation and Masimo SafetyNet platforms, Masimo connectivity, automation, telehealth and telemonitoring solutions are improving and automating care both in the hospital and beyond. As of January 3, 2026, the Company operates one reportable segment: healthcare. See Note 25, “Segment and Enterprise Reporting” for additional information about reportable segment. The Company’s healthcare products and patient monitoring solutions generally incorporate a monitor or circuit board, proprietary single-patient use or reusable sensors, software and/or cables. The Company primarily sells its healthcare products to hospitals, emergency medical service providers, home care providers, physician offices, veterinarians, and long-term care facilities through its direct sales force, distributors and original equipment manufacturer (OEM) partners. The Company’s former non-healthcare consumer business incorporated audio and home integration technologies, which were primarily sold or licensed direct-to-consumers, or through authorized retailers and wholesalers. As of December 28, 2024, the non-healthcare consumer business remained part of the Company’s continuing operations, but was being evaluated for divestiture. As of March 29, 2025, as the sales evaluation process progressed, the non-healthcare consumer business was classified as held-for-sale, and reported as discontinued operations. On May 6, 2025, the Company announced that it entered into a definitive agreement to sell Viper Holdings Corporation, a Delaware corporation which previously owned and operated the Company’s non-healthcare business (together with its subsidiaries, “Sound United”) to Harman International Industries, Incorporated, a wholly-owned subsidiary of Samsung Electronics., Ltd. On September 23, 2025, the Company completed the sale of Sound United. For additional information with respect to the non-healthcare consumer business separation, discontinued operations of this business and sale, see Note 18, “Discontinued Operations”. The terms “the Company” and “Masimo” refer to Masimo Corporation and, where applicable, its consolidated subsidiaries.