Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details Textual)

v2.4.0.8
Acquisitions (Details Textual) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Apr. 01, 2013
Mar. 30, 2013
Dec. 29, 2012
Oct. 18, 2012
Series of Individually Immaterial Business Acquisitions [Member]
Sep. 28, 2013
Series of Individually Immaterial Business Acquisitions [Member]
Apr. 01, 2013
Series of Individually Immaterial Business Acquisitions [Member]
Oct. 18, 2012
Seungwon Solutions Corporation [Member]
Sep. 28, 2013
Trade Name
Dec. 29, 2012
Trade Name
Apr. 01, 2013
Trade Name
Series of Individually Immaterial Business Acquisitions [Member]
Sep. 28, 2013
Noncompete Agreements [Member]
Dec. 29, 2012
Noncompete Agreements [Member]
Apr. 01, 2013
Noncompete Agreements [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Sep. 28, 2013
Technology
Dec. 29, 2012
Technology
Sep. 28, 2013
Technology
Series of Individually Immaterial Business Acquisitions [Member]
Apr. 01, 2013
Technology
Series of Individually Immaterial Business Acquisitions [Member]
Sep. 28, 2013
Developed Technology Rights [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Apr. 01, 2013
Developed Technology Rights [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]                                          
Purchase of Remaining Interest in Equity Investee     60.00%                                    
Goodwill arising from acquisition $ 5,188       $ 4,472 $ 1,731   $ 726                          
Gross carrying amount 3,404       2,928     746   774 756   11 0   1,751 1,475        
Finite-Lived Trade Names, Gross                       18                  
Acquired definite lived intangible assets                                         441
Acquisition related costs             12                            
Finite-Lived Intangible Asset, Useful Life                   1 year     2 years         15 years   10 years  
Finite-Lived Customer Relationships, Gross                                     276    
Finite-Lived Noncompete Agreements, Gross                             11            
Gain on Purchase of Business 528 0         528                            
Equity Method Investment, Ownership Percentage       40.00%                                  
Percentage of sale of component supplier           80.00%                              
Transaction cost arising from acquisition     $ 1,000     $ 1,458     $ 80