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STOCK-BASED COMPENSATION - ASSUMPTIONS UTIILIZED IN THE BINOMIAL LATTICE-BASED VALUATION MODEL (DETAILS)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Wieghted average interest rate 1.90% 3.40% 3.70%
Dividend yield 2.60% 2.40% 2.20%
Weighted average volatility 15.00% 16.00% 18.00%
Expected life in years 8 years 6 months 8 years 9 months 18 days 8 years 9 months 18 days
Lower Limit
     
Interest rate 0.20% 0.30% 0.30%
Expected volatility 12.00% 14.00% 15.00%
Maximum [Member]
     
Interest rate 2.10% 3.70% 4.00%
Expected volatility 18.00% 18.00% 20.00%