FAIR VALUE MEASUREMENTS (Schedule of Carrying Amounts and Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 27, 2015	Dec. 28, 2014
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate senior notes payable	$ (500,000)	$ (3,633)
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate senior notes payable	(495,940)	(3,979)
Commodity futures instruments [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	4,825	8,416
Derivative liabilities	(6,372)	(8,580)
Commodity futures instruments [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	4,825	8,416
Derivative liabilities	(6,372)	(8,580)
Commodity options instruments [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	115	0
Derivative liabilities	(4,965)	(14,103)
Commodity options instruments [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	115	0
Derivative liabilities	(4,965)	(14,103)
Foreign currency [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	1,611	2,563
Foreign currency [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative assets	$ 1,611	$ 2,563