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Business Combination	3 Months Ended
Business Combination	Jan. 26, 2020
Business Combinations [Abstract]
Business Combination	Business Combination Kokusai Electric Corporation On June 30, 2019, Applied entered into a Share Purchase Agreement (SPA) to acquire all outstanding shares of Kokusai Electric Corporation (Kokusai Electric) for $2.2 billion in cash. Kokusai Electric is a leading company in providing high-productivity batch processing systems and services for memory, foundry and logic customers. These systems complement Applied’s portfolio of single-wafer processing systems. Following the close of the transaction, Kokusai Electric will operate as a business unit of Applied’s Semiconductor Systems segment and continue to be based in Tokyo, with technology and manufacturing centers in Toyama, Japan and Cheonan, Korea. The transaction is subject to regulatory approvals and other customary closing conditions.