Note 13. Employees Related Pension Obligations (Details) - Multi-employer Pension Plan Details (Fujitsu Defined Benefit Corporate Pension [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 29, 2013
Defined Benefit Plan Disclosure [Line Items]  
2013 NA [1]
2013 Mar. 31, 2014
2013 $ 426
Plan Contributions For Spansion [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
2013 $ 2,425
[1] Based on the total plan assets and accumulated benefit obligations of the plan as of March 31, 2013, the plan was at least 90 percent funded.