International Retirement Plan (Reconciliation Of Changes In Projected Benefit Obligation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Obligations as of December 31	$ 5,861	$ 5,139
International Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligations as of January 1	5,240	3,936
Service cost	144	92
Interest cost	198	191
Actuarial loss	246	1,030
Benefit payments	(122)	(98)
Effect of foreign currency exchange rate changes	281	89
Obligations as of December 31	5,987	5,240
Funded status as of December 31 (net of tax benefit)	$ (5,987)	$ (5,240)