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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

+ Details

Name:	us-gaap_TreasuryStockSharesAcquired
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Period Type:	duration

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: 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

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Balance Type:	debit
Period Type:	duration

Share Repurchases (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 25, 2013	Dec. 26, 2012	Dec. 28, 2011
Equity, Class of Treasury Stock [Line Items]
Common stock shares repurchased during the period (shares)	4,200,000	4,800,000	5,700,000
Common stock shares repurchased during the period (value in US$)	$ 24,698	$ 22,179	$ 21,569
Share Repurchase Program 2013 [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares approved under stock repurchase program (shares)	10,000,000
Remaining number of shares to be repurchased (shares)	9,200,000
Share Repurchase Program 2012 [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares approved under stock repurchase program (shares)		6,000,000
Share Repurchase Program 2011 [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares approved under stock repurchase program (shares)			6,000,000