Segment And Geographic Information (Schedule Of Geographic Net Sales And Long-Lived Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Geographic net sales	$ 633,933	$ 610,769	$ 630,031	$ 593,417	$ 559,086	$ 570,083	$ 585,549	$ 538,312	$ 626,925	$ 613,864	$ 589,449	$ 571,905	$ 2,468,150	$ 2,253,030	$ 2,402,143
Long-lived assets	209,515				198,992				165,773				209,515	198,992	165,773
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales													1,739,794	1,518,940	1,764,544
Long-lived assets	76,216				70,756				72,386				76,216	70,756	72,386
Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales													398,890	346,267	216,599
Long-lived assets	107,151				98,675				67,365				107,151	98,675	67,365
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales													273,560	333,781	367,599
Long-lived assets	10,948				11,817				9,785				10,948	11,817	9,785
Other [Member]
Segment Reporting Information [Line Items]
Geographic net sales													55,906	54,042	53,401
Long-lived assets	$ 15,200				$ 17,744				$ 16,237				$ 15,200	$ 17,744	$ 16,237