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Significant Accounting Policies: (Details) (USD $)	12 Months Ended
	Dec. 27, 2014 item	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Receivables
Allowance for Doubtful Accounts Receivable, Current	$ 1,600us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent	$ 4,300us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent	$ 17,300us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent	$ 15,100us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Leasing Income Recognition
Threshold delinquent period of lease rentals to classify lease as non-accrual	90 days
Minimum monthly payments owed to classify lease as non-accrual	3wina_MinimumNumberOfMonthlyLeaseRentalsDueToClassifyLeaseAsNonAccrual
Allowance for Credit Losses
Delinquent period for charging-off against allowance for credit losses	121 days
Canadian operations
Cash equivalents
Cash located in banks	$ 73,100us-gaap_Cash / wina_AllCountriesAxis = country_CA	$ 55,700us-gaap_Cash / wina_AllCountriesAxis = country_CA

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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X

- Definition

Represents the period after which the estimated unrecoverable portion of accounts is charged-off against the allowance for credit losses.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum monthly payments owed to classify lease as non-accrual.

+ References

No definition available.

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X

- Definition

Represents the threshold delinquent period of lease rentals to classify lease as non-accrual.

+ References

No definition available.

+ Details

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