Goodwill and Intangible Assets (Details Textual) (USD $)	12 Months Ended			3 Months Ended		3 Months Ended		12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011	Apr. 01, 2012 FlashSoft Corporation [Member]	Feb. 13, 2012 FlashSoft Corporation [Member]	Jul. 01, 2012 Schooner Information Technology, Inc. [Member]	Jun. 21, 2012 Schooner Information Technology, Inc. [Member]	Dec. 30, 2012 MDRM, Inc. [Member]
Business Combinations
Acquisitions	$ 42,979,000
Business Acquisition, Contingent Consideration, Cash Payment								3,857,000
Business Acquisition, Percentage of Voting Interests Acquired					100.00%		100.00%
Business Acquisition, Name of Acquired Entity				FlashSoft Corporation		Schooner Information Technology, Inc.
Effective date of acquisition				Feb. 13, 2012		Jun. 21, 2012
Business Acquisition, Description of Acquired Entity				a provider of software caching solutions		enterprise software company that develops flash-optimized database and data store solutions
Business Combination, Reason for Business Combination				The acquisition of FlashSoft adds software caching solutions to the Company’s growing portfolio of enterprise storage solutions.		Schooner’s products complement the Company’s growing portfolio of enterprise storage solutions and flash-optimized software offerings that enable customers to accelerate the performance of data-intensive applications and reduce overall cost of ownership.
Finite-Lived Intangible Assets
In-process Research and Development Reclassified to Core Technology	1,000,000
Amortization of Intangible Assets	$ 76,500,000	$ 65,500,000	$ 20,700,000