NET INCOME PER SHARE (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
NET INCOME PER SHARE [Abstract]
Other shares excluded from the calculation of diluted earnings per share (in shares)	1.5	2.1	1.5	2.1