Net Income Per Common Share

9 Months Ended

Sep. 30, 2011

Net Income Per Common Share [Abstract]

Net Income Per Common Share

Note 7 — Net Income Per Common Share

Basic net income per common share is computed by dividing net income by the basic weighted average number of common shares outstanding during the period. Diluted net income per common share is computed by dividing net income by the diluted weighted average number of common shares and common equivalent shares outstanding during the period. The weighted average number of common equivalent shares outstanding has been determined in accordance with the treasury-stock method. Common equivalent shares consist of common stock issuable on the exercise of outstanding options and vesting of restricted stock units when dilutive.

Basic and diluted weighted average common shares are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Basic weighted average common shares outstanding		22,620		22,462		22,672		22,456
Weighted average common equivalent shares		462		645		507		584
Diluted weighted average common shares outstanding		23,082		23,107		23,179		23,040
Options excluded from diluted weighted average share calculation as effect would have been anti-dilutive		447		344		209		490