DEBT - SCHEDULE OF LONG-TERM DEBT (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Jan. 30, 2015	Dec. 31, 2014	Dec. 19, 2014	Nov. 01, 2013
Debt Instrument [Line Items]
Credit Facility Option to Increase				$ 250.0
Long-term Debt, Excluding Current Maturities	$ 5,992.1		$ 2,682.7
Line of Credit Facility, Fair Value of Amount Outstanding	715.0		0.0
Other Long-term Debt	715.0		39.2
Senior Notes, Noncurrent	2,900.0	$ 2,900.0			$ 700.0
Long-term Debt, Current Maturities	(419.5)
Capital lease obligations, net of interest, current	(5.4)
Long term and capital lease obligations, net of interest, current	(424.9)
Capital Lease Obligations, Current	11.9
Long-term Debt and Capital Lease Obligations, Current	431.4
Long-term Debt, Maturities, Repayments of Principal in Year Two	500.0
Total long-term debt	5,936.6
Capital Lease Obligations, Noncurrent	55.5
Capital Leases, Future Minimum Payments Due in Two Years	11.9
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	511.9
Long-term Debt, Maturities, Repayments of Principal in Year Three	443.8
Capital Leases, Future Minimum Payments Due in Three Years	11.7
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	455.5
Long-term Debt, Maturities, Repayments of Principal in Year Four	64.6
Capital Leases, Future Minimum Payments Due in Four Years	11.2
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	75.8
Long-term Debt, Maturities, Repayments of Principal in Year Five	1,728.2
Capital Leases, Future Minimum Payments Due in Five Years	10.6
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	1,738.8
Long-term Debt, Maturities, Repayments of Principal after Year Five	3,200.0
Capital Leases, Future Minimum Payments Due Thereafter	47.2
Long-term Debt	6,356.1
Capital lease obligations, net of interest	60.9
Long term and capital lease obligations, net of interest	6,417.0
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	3,247.2
Capital Lease Obligations	104.5
Long-term Debt and Capital Lease Obligations	6,460.6
Long term debt, future minimum payments, interest included in payments	0.0
Capital Leases, Future Minimum Payments, Interest Included in Payments	(43.6)
Long term and capital lease future minimum payments, interest included in payments	(43.6)
Long term and capital lease obligations, net of interest, noncurrent	$ 5,992.1
Debt Instrument, Basis Spread on Variable Rate	2.298%
Senior notes due 2016 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 0.0		325.0
Senior notes due 2017 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	500.0		500.0
Senior notes due 2018 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	400.0		400.0
Senior Notes, Noncurrent					400.0
Senior notes due 2020 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	621.6		618.5
Senior Notes, Noncurrent	500.0	500.0	0.0
Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	500.0		500.0
Senior Notes, Noncurrent	500.0	500.0	0.0
Senior notes due 2023 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	300.0		300.0
Senior Notes, Noncurrent					$ 300.0
Senior notes due 2025 [Member] [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	1,000.0		0.0
Senior notes due 2045 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 900.0		$ 0.0
Senior Notes, Noncurrent		$ 900.0