SENIOR NOTES PAYABLE AND OTHER DEBT (Details 4) (USD $) In Millions, unless otherwise specified							1 Months Ended
	Mar. 31, 2014 6.25% Senior Notes due 2013	Dec. 31, 2013 6.25% Senior Notes due 2013	Mar. 31, 2014 5.45% Senior Notes due 2043	Dec. 31, 2013 5.45% Senior Notes due 2043	Mar. 31, 2014 2.700% Senior Notes due 2020	Dec. 31, 2013 2.700% Senior Notes due 2020	Apr. 28, 2014 Subsequent Event [Member] 1.250% Senior Notes due 2017	Apr. 28, 2014 Subsequent Event [Member] 3.750% Senior Notes due 2024
Debt instruments
Debt Instrument, Face Amount							$ 300.0	$ 400.0
Interest rate (as a percent)	6.25%	6.25%	5.45%	5.45%	2.70%	2.70%	1.25%	3.75%
Public Offering Price as Percent of Par							99.815%	99.304%
Proceeds from Issuance of Senior Long-term Debt							$ 299.4	$ 397.2