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Net Income per Share (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended				3 Months Ended	6 Months Ended
	Aug. 10, 2012	Feb. 22, 2012	Aug. 30, 2011	Jul. 06, 2010	Jun. 30, 2012	Jun. 29, 2013
Share Repurchase Program
Share repurchase program, amount authorized to be repurchased	$ 5.00	$ 4.45	$ 7.50	$ 5.00
Number of shares repurchased and retired					129,785
Average repurchase price per share (in dollars per share)					$ 19.83
Amount available for future repurchases						$ 3.6

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- Details

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Balance Type:	na
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- Definition

Represents the average price per share of the shares repurchased by the entity during the reporting period.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Balance Type:	na
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- Definition

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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