Stock Compensation Plans and Stock Based Compensation (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Stock based compensation expense and allocation by cost
Stock-based compensation	$ 66,285	$ 47,561	$ 43,588
Cost of product and maintenance [Member]
Stock based compensation expense and allocation by cost
Stock-based compensation	1,596	1,317	1,468
Cost of services [Member]
Stock based compensation expense and allocation by cost
Stock-based compensation	2,321	1,889	2,105
Marketing and sales [Member]
Stock based compensation expense and allocation by cost
Stock-based compensation	15,642	10,193	10,356
Research and development [Member]
Stock based compensation expense and allocation by cost
Stock-based compensation	32,999	21,516	18,561
General and administrative [Member]
Stock based compensation expense and allocation by cost
Stock-based compensation	$ 13,727	$ 12,646	$ 11,098