Business Combinations (Details) (Series of Individually Immaterial Business Acquisitions [Member], USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Intangible assets (excluding goodwill)	$ 17,875	$ 17,375

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant