XML 54 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock-Based Compensation (Details 4)
In Thousands, unless otherwise specified
Jan. 03, 2015
Stock-Based Compensation  
Reserved shares of common stock for future issuance 5,151us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
2000 Stock Incentive Plan  
Stock-Based Compensation  
Reserved shares of common stock for future issuance 529us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= slab_StockIncentivePlan2000Member
2009 Stock Incentive Plan  
Stock-Based Compensation  
Reserved shares of common stock for future issuance 3,740us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= slab_StockIncentivePlan2009Member
2009 Employee Stock Purchase Plan  
Stock-Based Compensation  
Reserved shares of common stock for future issuance 882us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= slab_EmployeeStockPurchasePlan2009Member