XML 73 R64.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Granted Details) (Details) (Stock Settled Stock Appreciation Rights SARS [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Stock Settled Stock Appreciation Rights SARS [Member]
     
SSSARs granted 108 187 94
Weighted average grant date fair value per right $ 9.04 $ 9.07 $ 10.12
Assumptions used in fair value calculations:      
Risk-free interest rate 0.33% 0.41% 1.27%
Dividend yield 2.09% 2.11% 2.28%
Volatility factor of the expected market price of our common stock 23.23% 24.30% 28.78%
Weighted average expected life in years 2 years 8 months 1 day 2 years 9 months 4 days 3 years 1 month 10 days
Estimated forfeiture rate 2.00% 4.00% 4.00%