XML 68 R27.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Severance and Other Charges (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2014
Restructuring and Related Activities [Abstract] |
Summary of Activity Related to Severance Charges | A summary of the activity related to the third quarter of 2014 severance charges, is as follows (in thousands):
Balance as of December 31, 2013 |  | $ | — |
Charges |  |  | 1,933 |
Payments |  |  | — |
Balance as of September 30, 2014 |  | $ | 1,933 |

X
- Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of restructuring reserve by segment. + References No definition available. + Details
Name: | vicr_ScheduleOfRestructuringReserveBySegmentTableTextBlock
Namespace Prefix: | vicr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration