Business Acquisition (Details 3) (SMART Storage Systems [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Net tangible liabilities acquired	$ 20,843
Finite-lived Intangible Assets Acquired	168,500
Goodwill	115,775
Fair values assigned to tangible assets, intangible assets acquired and liabilities assumed
Total purchase price	305,118
In-process research and development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
In-process research and development	6,300
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	146,100
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	8,500
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 7,600