Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Fair Value Assumptions and ESPP (Details)

v2.4.0.6
Stock-Based Compensation Fair Value Assumptions and ESPP (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
ESPP, maximum employee subscription rate 10.00%    
ESPP, offering period 6 months    
ESPP, discounted purchase price percentage 85.00%    
ESPP Activities [Abstract]      
Total cash received from employees for the issuance of shares under the ESPP $ 34,263 $ 30,085 $ 20,714
Number of shares purchased by employees through the ESPP 918,000 1,123,000 758,000
Tax benefits realized by the Company in connection with the disqualifying dispositions of shares purchased under the ESPP $ 2,206 $ 2,194 $ 994
Weighted average fair value per share based on Black-Scholes model $ 10.02 $ 7.41 $ 8.51
Number of ESPP shares available for future issuance 2,600,000    
ESPP share replenishment in period   2,000,000 2,000,000
ESPP maximum annual share replenishment 2,000,000    
Employee Stock Purchase Plan
      
ESPP, Fair Value Assumptions and Methodology [Abstract]      
Expected stock price volatility 36.00% 38.00% 35.00%
Risk free interest rate 0.10% 0.20% 0.20%
Dividend yield 3.20% 3.10% 1.60%
Expected life of options 6 months 6 months 6 months