INCOME TAXES (Schedule of Income Tax Reconciliation) (Details)	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Income Tax Disclosure [Abstract]
Federal income tax rate	35.00%	35.00%	35.00%
State tax rate, net	2.40%	2.30%	2.60%
Permanent items	(0.30%)	0.10%	0.40%
Domestic production activity	(1.30%)	(1.90%)	(2.40%)
Difference in U.S. statutory tax rate and foreign country effective tax rate	(1.40%)	(0.90%)	(1.00%)
Tax credits	(0.60%)	(0.70%)	(0.00%)
Other	0.80%	1.00%	0.90%
Total	34.60%	34.90%	35.50%