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	Sep. 28, 2014	Dec. 29, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	$ 15.1	$ 5.1
Foreign Currency Contract, Asset, Fair Value Disclosure	0	1.2
Bonds Securities, Fair Value Disclosure	19.4	19.8
Cash Surrender Value, Fair Value Disclosure	70.2	65.8
Assets, Fair Value Disclosure	104.7	91.9
Commodity Contracts, Liability, Fair Value Disclosure	131.0	20.5
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.3	0.2
Liabilities, Fair Value Disclosure	131.3	20.7
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity Contracts, Asset, Fair Value Disclosure	15.1	0.2
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Bonds Securities, Fair Value Disclosure	19.4	19.8
Cash Surrender Value, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure	34.5	20.0
Commodity Contracts, Liability, Fair Value Disclosure	81.6	15.1
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	81.6	15.1
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	4.9
Foreign Currency Contract, Asset, Fair Value Disclosure	0	1.2
Bonds Securities, Fair Value Disclosure	0	0
Cash Surrender Value, Fair Value Disclosure	70.2	65.8
Assets, Fair Value Disclosure	70.2	71.9
Commodity Contracts, Liability, Fair Value Disclosure	49.4	5.4
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.3	0.2
Liabilities, Fair Value Disclosure	49.7	5.6
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
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	$ 0	$ 0