FAIR VALUE MEASUREMENTS (Schedule of Carrying Amounts and Estimated Fair Values of Financial Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	$ 6,671	$ 1,821
Derivative liabilities	(766)	(1,530)
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan assets	7,668	7,591
Long-term debt and other borrowing arrangements	(912,332)	(1,164,756)
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan assets	7,668	7,591
Long-term debt and other borrowing arrangements	(961,432)	(1,208,730)
Commodity Futures Instruments [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	4,506	1,821
Derivative liabilities	(766)	(1,530)
Commodity Futures Instruments [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	4,506	1,821
Derivative liabilities	(766)	(1,530)
Commodity Options Instruments [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	2,165
Commodity Options Instruments [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	$ 2,165