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, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Geographic net sales	$ 544,662	$ 490,966	$ 1,050,383	$ 1,005,930
Long-lived assets	354,757		354,757		$ 344,844
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales	321,605	318,509	618,648	654,876
Long-lived assets	235,650		235,650		235,193
Asia [Member]
Segment Reporting Information [Line Items]
Long-lived assets	66,800		66,800		69,669
Singapore [Member]
Segment Reporting Information [Line Items]
Geographic net sales	78,598	55,917	141,755	110,538
Other Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales	46,258	40,207	85,103	78,526
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales	66,965	55,756	142,291	122,279
Long-lived assets	29,691		29,691		18,002
Other Foreign [Member]
Segment Reporting Information [Line Items]
Geographic net sales	31,236	$ 20,577	62,586	$ 39,711
Long-lived assets	$ 22,616		$ 22,616		$ 21,980