Balance Sheet Information (Details Textuals) - USD ($)	3 Months Ended
Apr. 03, 2016	Mar. 29, 2015	Jan. 03, 2016
Balance Sheet Information
Financing Receivable, Recorded Investment, Past Due	$ 0		$ 0
Product Warranties Disclosures
Reduction to Future Warranty Exposure	$ 0	$ (3,100,000)

Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(4))
-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249

Name:	us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration