Segment And Geographic Information (Schedule Of Geographic Net Sales And Long-Lived Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Geographic net sales	$ 490,966	$ 601,602	$ 1,005,930	$ 1,204,422
Long-lived assets	352,464		352,464		$ 367,402
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales	318,509	416,465	654,876	834,829
Long-lived assets	238,139		238,139		247,074
Singapore [Member]
Segment Reporting Information [Line Items]
Geographic net sales	55,917	41,687	110,538	84,404
Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales	40,207	50,058	78,526	93,965
Long-lived assets	71,472		71,472		76,507
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales	55,756	65,048	122,279	138,393
Long-lived assets	19,027		19,027		20,258
Other Foreign [Member]
Segment Reporting Information [Line Items]
Geographic net sales	20,577	$ 28,344	39,711	$ 52,831
Long-lived assets	$ 23,826		$ 23,826		$ 23,563