SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Jan. 01, 2015
Property, Plant and Equipment [Line Items]
Assets accounted for under capital leases and lease financing arrangements	$ 3,405.6	$ 3,297.7
Accumulated depreciation	$ 2,001.4	1,838.8
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	20 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	30 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	20 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Assets accounted for under capital leases and lease financing arrangements	$ 185.9	183.2
Accumulated depreciation	104.1	87.4
Computer equipment and software
Property, Plant and Equipment [Line Items]
Costs capitalized	$ 12.6	$ 21.7
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	3 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum (in years)	5 years