Accounts Receivable - Textual (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014	Dec. 27, 2014
Accounts Receivable (Additional Textual) [Abstract]
Sold receivables amount	$ 2,400,000	$ 1,300,000	$ 5,400,000	$ 2,900,000
Due from unrelated third parties	$ 0		$ 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%