Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits, beginning balance	$ 9,728	$ 10,677
Gross increases - prior-period tax positions	14	2,676
Gross increases - current-period tax positions	1,376	1,039
Settlements		(1,102)
Gross decreases - prior-period tax positions	(602)
Lapse of statute of limitations	(2,128)	(3,562)
Unrecognized tax benefits, ending balance	$ 8,388	$ 9,728