Nature of Business and Basis of Presentation - Textual (Details)	6 Months Ended
	Jul. 01, 2017	Jun. 25, 2016
Accounting Policies [Line Items]
Fiscal year/fiscal quarter duration	91 days	91 days
Maximum period of delivery to customers	6 months
Maximum period services are provided over the fixed arrangement term	12 months
Minimum [Member]
Accounting Policies [Line Items]
Fiscal year/fiscal quarter duration	364 days
Maximum [Member]
Accounting Policies [Line Items]
Fiscal year/fiscal quarter duration	371 days