Stock-Based Compensation (Details 4) (Performance Vested Restricted Stock Units [Member]) In Thousands	Jul. 02, 2011
Performance Vested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs with performance-based vesting criteria expected to vest	324
Number of RSUs with performance-based vesting criteria expected to vest	215

Name:

vsh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumberPartOne

Namespace Prefix:

vsh

Data Type:

xbrli:sharesItemType

Balance Type:

na

Period Type:

instant