|
Stock Option Activity (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified |
9 Months Ended |
|---|---|
|
Mar. 31, 2012
Year
|
|
| Shares | |
| Outstanding at June 30, 2011 | 499 |
| Granted | 95 |
| Exercised | (13) |
| Outstanding at March 31, 2012 | 581 |
| Exercisable at March 31, 2012 | 342 |
| Weighted Average Exercise Price | |
| Outstanding at June 30, 2011 | $ 64.15 |
| Granted | $ 71.94 |
| Exercised | $ 50.82 |
| Outstanding at March 31, 2012 | $ 65.73 |
| Exercisable at March 31, 2012 | $ 60.73 |
| Weighted Average Contractual Life (Yrs.) | |
| Outstanding at March 31, 2012 | 6.0 |
| Exercisable at March 31, 2012 | 6.0 |
| Aggregate Intrinsic Value | |
| Outstanding at March 31, 2012 | $ 3.4 |
| Exercisable at March 31, 2012 | $ 3.3 |