EMPLOYEE BENEFITS (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Retirement expense for continuing operations
Deferred compensation plan credit			$ (71)
Net retirement expenses	12,162	1,384	745
Pension plan
Retirement expense for continuing operations
Service cost	5,545	5,540	5,600
Interest cost	84,596	91,898	92,961
Expected return on plan assets	(101,053)	(107,760)	(104,251)
Prior service cost amortization	14	14	14
Actuarial loss	25,557	12,687	6,726
Net pension expense	14,659	2,379	1,050
Post-retirement plans
Retirement expense for continuing operations
Interest cost	497	946
Net pension expense	$ (2,497)	$ (995)	$ (234)