STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	233,237	237,737
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	103,130	107,630
Weighted Average Grant-Date Fair Value (in dollars per share)	$ 61.85	$ 61.55
Performance stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	130,107	130,107
Weighted Average Grant-Date Fair Value (in dollars per share)	$ 62.20	$ 62.20