Segment And Geographic Information (Schedule Of Geographic Net Sales And Long-Lived Assets) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Geographic net sales	$ 625,719	$ 630,191	$ 664,038	$ 620,925	$ 709,547	$ 731,302	$ 716,868	$ 639,344	$ 756,843	$ 599,658	$ 607,522	$ 542,444	$ 2,540,873	$ 2,797,061	$ 2,506,467
Long-lived assets	290,945				218,341				226,070				290,945	218,341	226,070
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales													1,848,503	2,038,544	1,772,212
Long-lived assets	172,958				93,679				96,287				172,958	93,679	96,287
Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales													314,160	371,820	386,251
Long-lived assets	77,237				88,375				98,816				77,237	88,375	98,816
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales													221,911	264,674	271,414
Long-lived assets	9,704				8,114				10,333				9,704	8,114	10,333
Other [Member]
Segment Reporting Information [Line Items]
Geographic net sales													156,299	122,023	76,590
Long-lived assets	$ 31,046				$ 28,173				$ 20,634				$ 31,046	$ 28,173	$ 20,634