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Operations | 12 Months Ended
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Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Operations | Operations Hologic, Inc. (the “Company” or “Hologic”) develops, manufactures and supplies premium diagnostics products, medical imaging systems and surgical products with an emphasis on women's health. On March 22, 2017, the Company acquired Cynosure, Inc. ("Cynosure"). Cynosure is a developer, manufacturer and supplier of a broad array of light-based aesthetic and medical treatment systems. The products are used to provide a diverse range of treatment applications such as non-invasive body contouring, hair removal, skin revitalization and scar reduction, as well as the treatment of vascular lesions. The Cynosure business is referred to as Medical Aesthetics and operates as a separate business segment. As a result of the Cynosure acquisition, the Company operates in five segments: Diagnostics, Breast Health, Medical Aesthetics, GYN Surgical and Skeletal Health.

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