Segment Information (Schedule Of Long-Lived Assets, By Geographical Areas) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Long-Lived Assets By Major Geographic Areas [Line Items]
Long-lived assets	$ 249,721	$ 190,148
Americas [Member]
Schedule Of Long-Lived Assets By Major Geographic Areas [Line Items]
Long-lived assets	120,329	110,153
Europe [Member]
Schedule Of Long-Lived Assets By Major Geographic Areas [Line Items]
Long-lived assets	48,465	47,000
East Asia [Member]
Schedule Of Long-Lived Assets By Major Geographic Areas [Line Items]
Long-lived assets	3,428	4,728
Emerging Asia [Member]
Schedule Of Long-Lived Assets By Major Geographic Areas [Line Items]
Long-lived assets	$ 77,499	$ 28,267