Accounts Receivable - Textual (Details) - USD ($)	6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Dec. 27, 2014
Accounts Receivable (Additional Textual) [Abstract]
Sold receivables amount	$ 3,000,000	$ 1,000,000
Due from unrelated third parties	$ 0		$ 0
Minimum [Member]
Accounts Receivable (Textual) [Abstract]
Administrative fees as well as interest percent	1.15%
Maximum [Member]
Accounts Receivable (Textual) [Abstract]
Administrative fees as well as interest percent	1.68%