Income Taxes (Changes In Gross Liability For Unrecognized Tax Benefits Excluding Interest And Penalties) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of period	$ 48,752	$ 57,137
Increase in unrecognized tax benefits for tax positions taken in a prior period	9,713	1,806
Decrease in unrecognized tax benefits for tax positions taken in a prior period	(4,335)	(6,439)
Increase in unrecognized tax benefits for tax positions taken in the current period	11,142	3,737
Statute lapses	(336)	(415)
Settlements with taxing authorities	(1,879)	(7,074)
Unrecognized tax benefits, end of period	$ 63,057	$ 48,752