Nature of Business and Basis of Presentation - Textual (Details)	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Nature of Business and Basis of Presentation (Textual) [Abstract]
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]
Nature of Business and Basis of Presentation (Textual) [Abstract]
Fiscal year/fiscal quarter duration	364 days
Maximum [Member]
Nature of Business and Basis of Presentation (Textual) [Abstract]
Fiscal year/fiscal quarter duration	371 days