XML 77 R63.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stock-Based Compensation - Reserved Shares (Details) shares in Thousands | Jan. 02, 2016 shares
--- | ---
Stock-Based Compensation |
Reserved shares of common stock for future issuance | 3,874
2000 Stock Incentive Plan |
Stock-Based Compensation |
Reserved shares of common stock for future issuance | 212
2009 Stock Incentive Plan |
Stock-Based Compensation |
Reserved shares of common stock for future issuance | 2,991
2009 Employee Stock Purchase Plan |
Stock-Based Compensation |
Reserved shares of common stock for future issuance | 671

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=slab_StockIncentivePlan2000Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=slab_StockIncentivePlan2009Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=slab_EmployeeStockPurchasePlan2009Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |