Represents the number of shares of Class A common stock into which a share of Class B common stock is convertible.

No definition available.

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- Definition

Represents the number of votes per share to which a holder of common stock is entitled

+ References

No definition available.

+ Details

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- Definition

Percentage of Shares Owned By Chairman

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury from shares surrendered by participants to pay their withholding taxes. The Company has agreed to repurchase all netted shares under the compensation plans.

+ References

No definition available.

+ Details

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- Details

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

+ Details

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

+ Details

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- Details

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- Details

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- Details

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- Details

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Stockholders' Equity Stockholders' Equity (Details Textuals) (USD $)	12 Months Ended
	Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012
Class of Stock [Line Items]
Preferred Stock, Shares Issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Treasury Stock Acquired, Average Cost Per Share	$ 163.62
Common Stock Class A [Member]
Class of Stock [Line Items]
Common Stock Voting Rights Number	1
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	2,240,406
Common Stock Class B [Member]
Class of Stock [Line Items]
Common Stock Voting Rights Number	3
Common Stock Conversion Ratio	1
Common Stock [Member] \| Common Stock Class B [Member] \| Board of Directors Chairman [Member]
Class of Stock [Line Items]
Percentage of Shares Owned By Chairman	94.90%
Restricted Stock [Member]
Class of Stock [Line Items]
Treasury Shares Acquired Surrendered by Participants	35,461	41,601	42,100
Treasury Stock Acquired, Average Cost Per Share	$ 151.17	$ 172.79	$ 156.53