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Business Overview	12 Months Ended
Business Overview	Dec. 28, 2013
Accounting Policies [Abstract]
BUSINESS OVERVIEW	BUSINESS OVERVIEW Cadence Design Systems, Inc., or Cadence, develops solutions that its customers use to design increasingly small and complex integrated circuits, or ICs, and electronic devices. Cadence's solutions are designed to help its customers reduce the time to bring an IC or electronic device to market and to reduce their design, development and manufacturing costs. Cadence's product offerings include electronic design automation, or EDA, software, emulation hardware, and two categories of intellectual property, or IP, commonly referred to as verification IP, or VIP, and design IP. Cadence provides maintenance for its software, hardware and IP product offerings. Cadence also provides engineering services related to methodology, education, hosted design solutions and design services for advanced ICs and development of custom IP, which help its customers manage and accelerate their electronics product development processes.