GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 25, 2015	Sep. 26, 2014	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (702)		$ (702)		$ (157)
Indefinite-lived Intangible Assets [Roll Forward]
Goodwill Gross	8,377		8,377		2,556
Goodwill Net	8,377		8,377		2,556
Intangible Assets, Gross Including Goodwill	30,232		30,232		6,622
Intangible Assets, Net Including Goodwill	29,530		29,530		6,465
Amortization expense on intangible assets	304	$ 47	545	$ 108
Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross Amount	596		596		306
Net Carrying Amount	596		596		306
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	21,259		21,259		3,760
Accumulated Amortization	(702)		(702)		(157)
Net Carrying Amount	20,557		20,557		$ 3,603
Increase in intangible assets which offset to goodwill	$ 6,000		$ 6,000
Useful life			20 years