Quarterly report pursuant to Section 13 or 15(d)

Stock Option Activity (Detail)

v2.3.0.15
Stock Option Activity (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2011
Year
Shares  
Outstanding at June 30, 2011 499
Granted 25
Exercised (1)
Outstanding at September 30, 2011 523
Exercisable at September 30, 2011 314
Weighted Average Exercise Price  
Outstanding at June 30, 2011 $ 64.15
Granted $ 76.15
Exercised $ 39.93
Outstanding at September 30, 2011 $ 64.78
Exercisable at September 30, 2011 $ 59.16
Weighted Average Contractual Life (Yrs.)  
Outstanding at September 30, 2011 6.0
Exercisable at September 30, 2011 5.8
Aggregate Intrinsic Value  
Outstanding at September 30, 2011 $ 2.9
Exercisable at September 30, 2011 $ 2.8