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PENSION PLANS - Weighted Average Assumptions (Details) (Pension plans)	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Pension plans
Projected benefit obligation
Discount rate	3.65%	4.25%	5.00%
Net periodic benefit cost
Discount rate	4.25%	5.00%	5.80%
Expected long-term rate of return on plan assets	8.00%	8.00%	8.75%

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.

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