COMMITMENTS AND CONTINGENCIES (Narrative) (Details)	9 Months Ended
	Sep. 30, 2018
Minimum [Member]
Long Term Purchase Commitment [Line Items]
Lease obligations, term (in Duration)	1 year
Maximum [Member]
Long Term Purchase Commitment [Line Items]
Lease obligations, term (in Duration)	12 years
Maximum term of supply agreements with various food vendors (in Duration)	5 years