Net Income Per Share (Reconciliation Between Basic And Diluted Weighted Average Shares Outstanding) (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Basic weighted average shares outstanding	72,075	71,650	71,966	71,504
Diluted weighted average shares outstanding	72,890	72,755	72,604	72,660
Stock Options [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements	214	263	174	297
Restricted Shares/Units [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements	601	842	464	859