Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Reconciliation Between Basic And Diluted Weighted Average Shares Outstanding

	Three Months Ended June 30,		Six Months Ended June 30,
	2013	2012	2013	2012
Basic weighted average shares outstanding	71,568,000	70,479,000	71,430,000	70,175,000
Effect of dilution:
Stock options	294,000	819,000	314,000	859,000
Restricted shares/units	781,000	885,000	869,000	1,123,000
Diluted weighted average shares outstanding	72,643,000	72,183,000	72,613,000	72,157,000