Management's Interim Financial Statement Representation: (Details)	9 Months Ended
Sep. 26, 2015 item
Management's Interim Financial Statement Representation:
Minimum number of weeks in a fiscal year	52
Maximum number of weeks in a fiscal year	53

Represents the maximum number of weeks the entity reports its annual results of operations based on.

No definition available.

Name:	wina_NumberOfWeeksInFiscalYearMaximum
Namespace Prefix:	wina_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration