Inventories Additional Information (Details) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
LIFO Method Related Items [Abstract]
Inventory under the LIFO method	$ 28.4	$ 22.3
Percentage of LIFO inventory to total inventory	10.90%	10.10%

The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

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