Summary of Significant Accounting Policies (Details)	12 Months Ended
Mar. 31, 2014
Fiscal Years
Number of weeks in each interim quarter	91 days

Represents the number of weeks in each interim quarter.

No definition available.

Name:	logi_NumberOfWeeksInInterimQuarter
Namespace Prefix:	logi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration