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XML - IDEA: XBRL DOCUMENT - ANSYS INCR24.htm
10-Q - FORM 10-Q - ANSYS INCd233063d10q.htm
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v2.3.0.15
Earnings Per Share (Details) (USD $)
In Thousands, except Per Share data
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Earnings Per Share [Abstract]    
Net income$ 45,546$ 36,130$ 133,218$ 103,992
Weighted average shares outstanding - basic92,27790,88091,99590,486
Dilutive effect of stock plans2,1682,3322,2732,558
Weighted average shares outstanding - diluted94,44593,21294,26893,044
Basic earnings per share$ 0.49$ 0.40$ 1.45$ 1.15
Diluted earnings per share$ 0.48$ 0.39$ 1.41$ 1.12
Anti-dilutive options1,1851,7481,1721,741