Goodwill and Intangible Assets (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 01, 2012	Feb. 13, 2012
Goodwill
Acquisition of FlashSoft Corporation	$ 42,770
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Business Acquisition, Name of Acquired Entity	FlashSoft Corporation
Business Acquisition, Description of Acquired Entity	a provider of software caching solutions
Business Combination, Reason for Business Combination	The acquisition of FlashSoft adds software caching solutions to the Company’s growing portfolio of enterprise market solutions.

With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

+ References+ Details

Name of the acquired entity.

+ References+ Details

- Definition

This element represents a description of the primary reason for the business combination which may consist of general categories such as top-line growth, synergistic benefits, market share, and diversification and the more detailed factors that might apply.

+ References+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details