PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Economic Assumptions) (Details)	12 Months Ended
Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Pension Plans, Defined Benefit [Member]
Benefit obligation:
Discount rate	4.95%	4.22%	5.09%
Rate of compensation increase	0.00%	0.00%	3.00%
Net pension and other postretirement cost:
Discount rate	4.22%	5.09%	5.50%
Rate of compensation increase	0.00%	3.00%	3.00%
Expected return on plan assets	6.00%	7.50%	7.75%
Other Pension Plans, Defined Benefit [Member]
Benefit obligation:
Discount rate	4.95%	4.22%	5.09%
Rate of compensation increase	0.00%	0.00%	0.00%
Net pension and other postretirement cost:
Discount rate	4.22%	5.09%	5.50%
Rate of compensation increase	0.00%	0.00%	0.00%
Expected return on plan assets	0.00%	0.00%	0.00%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(2)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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The interest rate used to adjust for the time value of money.

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Section 50

-Paragraph 1

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(2)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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