Legal and Environmental Matters (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2014
Loss Contingency [Abstract]
Accruals for legal and environmental matters	$ 3,339

Amount of loss contingency liability.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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