Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Reconciliation Between Basic And Diluted Weighted Average Shares Outstanding

The following is a reconciliation between basic and diluted weighted average shares outstanding:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Basic weighted average shares outstanding	70,506,000	69,284,000	70,286,000	69,203,000
Effect of dilution:
Stock options	821,000	1,083,000	847,000	365,000
Restricted shares/units	938,000	1,901,000	1,061,000	641,000
Diluted weighted average shares outstanding	72,265,000	72,268,000	72,194,000	70,209,000