Fair Value Measurements (Details) (Tomsten, USD $)	Mar. 30, 2013	Dec. 29, 2012
Fair value measurements
Fair value of investment based on inputs using a discounted cash flow model	$ 0	$ 0
Level 3
Fair value measurements
Fair value of investment based on inputs using a discounted cash flow model	$ 0

Represents the current carrying value of the investment.

No definition available.

Name:	wina_InvestmentCarryingValue
Namespace Prefix:	wina_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant