DEBT (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Long-Term Debt
Debt Instrument, Face Amount	$ 1,500.0		$ 1,500.0
Unamortized basis adjustment for terminated interest rate swaps	14.5		16.7
Unamortized bond discount	(1.9)		(2.0)
Long-term Debt Current Portion	503.9		505.6
Long-term debt	1,008.7		1,009.1
Long-term debt - fair value	1,611.5
Interest expense	14.8	16.0
Interest income	(2.4)	(1.8)
Interest expense-net	12.4	14.2
3.50% Notes due 2014
Long-Term Debt
Stated rate (as a percent)	3.50%		3.50%
Debt Instrument, Face Amount	500.0		500.0
4.90% Notes due 2019
Long-Term Debt
Stated rate (as a percent)	4.90%		4.90%
Debt Instrument, Face Amount	700.0		700.0
5.90% Notes due 2039
Long-Term Debt
Stated rate (as a percent)	5.90%		5.90%
Debt Instrument, Face Amount	$ 300.0		$ 300.0