SUBSEQUENT EVENT (Details) (USD $)	3 Months Ended				12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 06, 2015
Subsequent Event [Line Items]
Cash dividends paid (in dollars per share)	$ 0.60	$ 0.60	$ 0.60	$ 0.60	$ 2.40	$ 2.18	$ 1.98
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend declaration date								Feb. 06, 2015
Cash dividend declared (in dollars per share)								$ 0.66
Percentage increase of dividends declared over dividends paid in last fiscal year (in hundredths)								10.00%
Dividend payable date								Mar. 13, 2015
Stockholders of record date								Feb. 27, 2015