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Description of Business	12 Months Ended
Description of Business	Jun. 30, 2017
Description of Business
Description of Business	1. Description of Business Organization Accuray Incorporated (together with its subsidiaries, the "Company" or "Accuray") is incorporated in Delaware and has its principal place of business in Sunnyvale, California. The Company designs, develops and sells advanced radiosurgery and radiation therapy systems for the treatment of tumors throughout the body. The Company has offices in the United States, Switzerland, China, Hong Kong and Japan and conducts its business worldwide.