DEBT (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Long-Term Debt
Debt Instrument, Face Amount	$ 1,500.0	$ 1,500.0
Unamortized basis adjustment for terminated interest rate swaps	8.8	16.7
Unamortized bond discount	(4.0)	(2.0)
Interest Rate Fair Value Hedge Asset at Fair Value	(0.9)	0
Long-term Debt Current Portion	0	505.6
Long-term debt	1,503.9	1,009.1
Long-term debt - fair value	1,679.5
Interest expense	69.9	59.2	70.9
Interest income	(9.6)	(8.6)	(5.9)
Interest expense-net	60.3	50.6	65.0
Interest payments, net of amounts related to interest rate swaps	72.5	72.0	74.9
3.50% Notes due 2014
Long-Term Debt
Debt Instrument, Face Amount	0	500.0
Debt Instrument, Repurchase Amount	503.5
Stated rate (as a percent)	3.50%
4.90% Notes due 2019
Long-Term Debt
Debt Instrument, Face Amount	700.0	700.0
Stated rate (as a percent)	4.90%
5.90% Notes due 2039
Long-Term Debt
Debt Instrument, Face Amount	300.0	300.0
Stated rate (as a percent)	5.90%
Notes460PercentDue2044 [Domain]
Long-Term Debt
Debt Instrument, Face Amount	500.0	0
Debt Instrument, Redemption Price, Percentage	99.465%
Proceeds from Issuance of Debt	$ 492.0
Stated rate (as a percent)	4.60%