Segment Information (Long-Lived Assets By Geographic Region) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Total long-lived assets	$ 71,908	$ 72,422
United States [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	34,422	35,711
Israel [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	22,580	23,750
Australia [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	9,827	10,361
Netherlands [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	3,540
United Kingdom [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	$ 1,539	$ 2,600