Segment Information (Schedule Of Net Sales, Operating Income, Interest Income And Long-Lived Assets By Major Geographical Areas) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,243,862	$ 1,172,558	$ 1,143,692
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	495,956	483,604	454,616
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	345,653	318,179	297,572
East Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	294,325	260,100	282,512
Emerging Markets [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 107,928	$ 110,675	$ 108,992