EMPLOYEE BENEFIT PLANS (Funds Invested in Equity, Fixed income, and Other Investments and Fair Values of Pension Plan Assets by Asset Category) (Details) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Defined Benefit Plan Disclosure
Plan asset allocations	100.00%
Equity Securities
Defined Benefit Plan Disclosure
Plan asset allocations	34.00%
U.S. Large Cap
Defined Benefit Plan Disclosure
Plan asset allocations	15.00%
Fair value of plan assets (in dollars)	$ 22.9	$ 23.0
U.S. Small/ Mid Cap
Defined Benefit Plan Disclosure
Plan asset allocations	6.00%
Fair value of plan assets (in dollars)	$ 8.1	8.9
World Equity ex- U.S.
Defined Benefit Plan Disclosure
Plan asset allocations	13.00%
Fair value of plan assets (in dollars)	$ 19.6	19.9
Fixed Income Securities
Defined Benefit Plan Disclosure
Plan asset allocations	62.00%
U.S. Treasury and Government Agency Securities
Defined Benefit Plan Disclosure
Plan asset allocations	11.00%
Fair value of plan assets (in dollars)	$ 15.8	27.9
Intermediate Duration Bond
Defined Benefit Plan Disclosure
Plan asset allocations	24.00%
Fair value of plan assets (in dollars)	$ 35.4	0.0
Long Duration Bond
Defined Benefit Plan Disclosure
Plan asset allocations	19.00%
Fair value of plan assets (in dollars)	$ 28.0	62.7
High Yield Fixed Income
Defined Benefit Plan Disclosure
Plan asset allocations	4.00%
Fair value of plan assets (in dollars)	$ 6.5	7.0
Emerging Markets Debt
Defined Benefit Plan Disclosure
Plan asset allocations	4.00%
Fair value of plan assets (in dollars)	$ 5.4	5.4
Other
Defined Benefit Plan Disclosure
Plan asset allocations	4.00%
Insurance Contracts
Defined Benefit Plan Disclosure
Plan asset allocations	3.00%
Fair value of plan assets (in dollars)	$ 4.9	5.2
Cash Equivalents
Defined Benefit Plan Disclosure
Plan asset allocations	1.00%
Fair value of plan assets (in dollars)	$ 0.8	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	126.7	126.9
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Large Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	22.9	23.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Small/ Mid Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	8.1	8.9
Quoted Prices in Active Markets for Identical Assets (Level 1) | World Equity ex- U.S.
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	19.6	19.9
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury and Government Agency Securities
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Intermediate Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	35.4	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Long Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	28.0	62.7
Quoted Prices in Active Markets for Identical Assets (Level 1) | High Yield Fixed Income
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	6.5	7.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Emerging Markets Debt
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	5.4	5.4
Quoted Prices in Active Markets for Identical Assets (Level 1) | Insurance Contracts
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash Equivalents
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.8	0.0
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	20.7	33.1
Significant Other Observable Inputs (Level 2) | U.S. Large Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | U.S. Small/ Mid Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | World Equity ex- U.S.
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | U.S. Treasury and Government Agency Securities
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	15.8	27.9
Significant Other Observable Inputs (Level 2) | Intermediate Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | Long Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | High Yield Fixed Income
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | Emerging Markets Debt
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Other Observable Inputs (Level 2) | Insurance Contracts
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	4.9	5.2
Significant Other Observable Inputs (Level 2) | Cash Equivalents
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | U.S. Large Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | U.S. Small/ Mid Cap
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | World Equity ex- U.S.
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | U.S. Treasury and Government Agency Securities
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | Intermediate Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | Long Duration Bond
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | High Yield Fixed Income
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | Emerging Markets Debt
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | Insurance Contracts
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Significant Unobservable Inputs (Level 3) | Cash Equivalents
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	0.0	0.0
Pension Benefits
Defined Benefit Plan Disclosure
Fair value of plan assets (in dollars)	$ 147.4	$ 160.0	$ 151.1