Fair Value (Details Textual) (USD $)	12 Months Ended			12 Months Ended
	Dec. 28, 2013 2013 Acquisitions [Member]	Dec. 29, 2012 Sigrity [Member]	Jul. 02, 2012 Sigrity [Member]	Dec. 31, 2011 2011 Acquisitions [Member]	Dec. 28, 2013 Intangible Assets [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member] 2013 Acquisitions [Member]	Dec. 28, 2013 Intangible Assets [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member] 2013 Acquisitions [Member]	Dec. 28, 2013 Deferred Revenue [Member] Fair Value, Inputs, Level 3 [Member] 2013 Acquisitions [Member]	Dec. 28, 2013 Deferred Revenue [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member] 2013 Acquisitions [Member]	Dec. 28, 2013 Deferred Revenue [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member] 2013 Acquisitions [Member]	Dec. 28, 2013 Contingent Consideration Liability [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member]	Dec. 29, 2012 Contingent Consideration Liability [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member]	Dec. 28, 2013 Contingent Consideration Liability [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member]	Dec. 29, 2012 Contingent Consideration Liability [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member]
Fair Value of Financial Instrument (Textual) [Abstract]
Acquired Intangible Assets, Amount	$ 173,800,000	$ 40,600,000		$ 21,600,000
Fair Value Inputs, Discount Rate					10.00%	15.00%	3.00%			11.00%	11.00%	16.00%	16.00%
Deferred revenue	$ (8,200,000)		$ (3,800,000)
Fair Value Inputs, Estimated Profit Rate								10.00%	25.00%