Inventories Additional Information (Details) - USD ($) $ in Millions	Jul. 02, 2016	Jan. 02, 2016
LIFO Method Related Items [Abstract]
Inventory under the LIFO method	$ 41.4	$ 35.6
Percentage of LIFO inventory to total inventory	10.60%	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