Significant Accounting Policies (Details)	9 Months Ended	12 Months Ended
	Oct. 03, 2015	Jan. 03, 2015
Basis of Presentation and Principles of Consolidation
Length of fiscal year	364 days	371 days
Number of days in each fiscal quarter for 52-week fiscal year	91 days
Low end of range
Basis of Presentation and Principles of Consolidation
Length of fiscal year	364 days
High end of range
Basis of Presentation and Principles of Consolidation
Length of fiscal year	371 days