Note 8. Intangible Assets and Goodwill (Details) - Intangible Assets (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Finite-Lived Intangible Assets [Line Items]    
Gross amount $ 211,337 $ 213,014
Additions 52,500  
Accumulated amortization (95,888) (63,861)
Net amount 167,949 149,153
Developed Technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross amount 111,376 111,376
Additions 29,100  
Accumulated amortization (53,661) (35,386)
Net amount 86,815 75,990
Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross amount 91,709 93,264
Additions 18,800  
Accumulated amortization (36,366) (25,191)
Net amount 74,143 68,073
Trade Names [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross amount 8,252 8,374
Additions 1,400  
Accumulated amortization (5,719) (3,284)
Net amount 3,933 5,090
Trademarks [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Additions 2,700  
Accumulated amortization (142)  
Net amount 2,558  
In Process Research and Development [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross amount    [1]    [1]
Additions 500 [1]  
Accumulated amortization    [1]    [1]
Net amount $ 500 [1]    [1]
Minimum [Member] | Developed Technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 5 years  
Minimum [Member] | Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 5 years  
Minimum [Member] | Trade Names [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 6 months  
Minimum [Member] | Trademarks [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 7 years  
Maximum [Member] | Developed Technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 10 years  
Maximum [Member] | Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 10 years  
Maximum [Member] | Trade Names [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 7 years  
Maximum [Member] | Trademarks [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives 8 years  
[1] All the IP R&D projects are expected to be transferred to developed technology by the first quarter of fiscal 2016