XML 21 R6.htm IDEA: XBRL DOCUMENT

Description of Business	6 Months Ended
Description of Business	Apr. 30, 2011
Description of Business
Description of Business	Note 1. Description of Business Synopsys, Inc. (Synopsys or the Company) is a world leader in providing technology solutions used to develop electronics and electronic systems. The Company supplies the electronic design automation (EDA) software that engineers use to design, create prototypes for and test integrated circuits, also known as chips. The Company also supplies software and hardware used to develop the systems that incorporate integrated circuits and the software that runs on those integrated circuits. The Company's intellectual property (IP) products are pre-designed circuits that engineers use as components of larger chip designs rather than redesigning those circuits themselves. To complement these product offerings, the Company provides technical services and helps customers develop chips and electronic systems.