STOCK BASED COMPENSATION PLANS (Details 2) (USD $)	Mar. 31, 2013
Stock options outstanding by range of exercise prices
Number of options (in shares)	49,362
Exercise Price Range, one
Stock options outstanding by range of exercise prices
Number of options (in shares)	4,572
Exercise Price (in dollars per share)	24.00
Exercise Price Range, two
Stock options outstanding by range of exercise prices
Number of options (in shares)	39,659
Exercise Price (in dollars per share)	25.25
Exercise Price Range, three
Stock options outstanding by range of exercise prices
Number of options (in shares)	3,000
Exercise Price (in dollars per share)	26.55
Exercise Price Range, four
Stock options outstanding by range of exercise prices
Number of options (in shares)	2,131
Exercise Price (in dollars per share)	30.60