Note 9. Intangible Assets and Goodwill (Details) - Intangible Assets (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Finite-Lived Intangible Assets [Line Items]    
Gross amount 261,427 [1] $ 263,273
Accumulated amortization (129,898) (95,324)
Net amount 131,529 167,949
Developed Technology [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 5 years  
Developed Technology [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 10 years  
Developed Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross amount 140,976 [1] 140,476
Accumulated amortization (74,557) (53,661)
Net amount 66,419 86,815
Customer Relationships [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 5 years  
Customer Relationships [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 10 years  
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross amount 109,672 [1] 110,119
Accumulated amortization (49,268) (35,976)
Net amount 60,404 74,143
Trade Names [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 6 months  
Trade Names [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 7 years  
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross amount 8,079 [1] 9,478
Accumulated amortization (5,595) (5,545)
Net amount 2,484 3,933
Trademarks [Member] | Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 7 years  
Trademarks [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated range of lives (in years) 8 years  
Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross amount 2,700 [1] 2,700
Accumulated amortization (478) (142)
Net amount 2,222 2,558
In Process Research and Development [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross amount    [1],[2] 500 [2]
Accumulated amortization    [2]    [2]
Net amount    [2] $ 500 [2]
[1] The changes in gross balance of intangible assets resulted from the removal of fully amortized assets no longer in use and from foreign currency translation adjustments.
[2] All of the IP R&D reached technological feasibility as of December 28, 2014 and was reclassified into developed technology.