FAIR VALUE MEASUREMENTS Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis (Details) (Fair Value, Measurements, Recurring, USD $) In Millions, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	$ 4.8	$ 57.9
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0.4
Bonds Securities, Fair Value Disclosure	0	15.9
Cash Surrender Value, Fair Value Disclosure	72.4	70.0
Assets, Fair Value Disclosure	77.2	144.2
Commodity Contracts, Liability, Fair Value Disclosure	63.0	37.4
Interest Rate Contract, Liability, Fair Value Disclosure	0.2	0.1
Foreign Currency Contracts, Liability, Fair Value Disclosure	1.5	0
Liabilities, Fair Value Disclosure	64.7	37.5
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	4.8	57.8
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Bonds Securities, Fair Value Disclosure	0	15.9
Cash Surrender Value, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure	4.8	73.7
Commodity Contracts, Liability, Fair Value Disclosure	35.3	18.0
Interest Rate Contract, Liability, Fair Value Disclosure	0	0
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	35.3	18.0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	0	0.1
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0.4
Bonds Securities, Fair Value Disclosure	0	0
Cash Surrender Value, Fair Value Disclosure	72.4	70.0
Assets, Fair Value Disclosure	72.4	70.5
Commodity Contracts, Liability, Fair Value Disclosure	27.7	19.4
Interest Rate Contract, Liability, Fair Value Disclosure	0.2	0.1
Foreign Currency Contracts, Liability, Fair Value Disclosure	1.5	0
Liabilities, Fair Value Disclosure	29.4	19.5
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Bonds Securities, Fair Value Disclosure	0	0
Cash Surrender Value, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure	0	0
Commodity Contracts, Liability, Fair Value Disclosure	0	0
Interest Rate Contract, Liability, Fair Value Disclosure	0	0
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	$ 0	$ 0