INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	0.60%	0.00%	0.50%
Executive compensation limitation	0.10%	0.00%	0.90%
Food donations	(1.10%)	(1.20%)	(0.40%)
Fixed assets	0.00%	0.50%	(1.40%)
Changes in reserves	(0.10%)	(0.10%)	0.10%
Tax credits	(0.20%)	(0.50%)	(0.50%)
Other	0.00%	0.80%	(0.60%)
Expired charitable contribution carryover	0.00%	1.90%	0.00%
Valuation allowance	0.00%	(2.00%)	0.00%
Effective income tax rate	34.30%	34.40%	33.60%