Business Segments And Geographic Area Information (Summary Of Capital Expenditures) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Total capital expenditures	$ 20,082	$ 13,723	$ 9,376
Segment [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	19,910	13,390	8,419
Corporate [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	$ 172	$ 333	$ 957