PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Economic Assumptions) (Details)	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Dec. 28, 2014
Pension Benefits [Member]
Assumptions used to measure benefit obligation at end of period:
Discount rate	4.56%		4.22%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	4.22%	4.95%
Expected return on plan assets	6.00%	6.00%
Other Benefits [Member]
Assumptions used to measure benefit obligation at end of period:
Discount rate	4.56%		4.22%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	4.22%	4.95%