Net Income Per Share (Reconciliation Between Basic And Diluted Weighted Average Shares Outstanding) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Basic weighted average shares outstanding	71,775	71,290
Diluted weighted average shares outstanding	72,759	72,547
Stock Options [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements	250	323
Restricted Shares/Units [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements	734	934