EARNINGS PER SHARE (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Weighted-average shares outstanding:
Basic	165,525,000	174,832,000
Dilutive securities	7,034,000	10,430,000
Diluted	172,559,000	185,262,000
Options outstanding excluded from the calculations as their effect would have been antidilutive (in shares)	800,000	200,000