Net Income per Share (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended	6 Months Ended
Feb. 13, 2014	Aug. 10, 2012	Jun. 28, 2014	Jun. 28, 2014
Share Repurchase Program
Share repurchase program, amount authorized to be repurchased	$ 15.0	$ 5.0
Number of shares repurchased and retired			157,000
Average repurchase price per share (in dollars per share)			$ 21.70	$ 21.91
Amount available for future repurchases				$ 10.9

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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 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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- Definition

Amount of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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