Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Reconciliation Between Basic And Diluted Weighted Average Shares Outstanding

	Three Months Ended September 30,		Nine Months Ended September 30,
	2013	2012	2013	2012
Basic weighted average shares outstanding	71,650,000	70,506,000	71,504,000	70,286,000
Effect of dilution:
Stock options	263,000	821,000	297,000	847,000
Restricted shares/units	842,000	938,000	859,000	1,061,000
Diluted weighted average shares outstanding	72,755,000	72,265,000	72,660,000	72,194,000