Segment And Geographic Information (Schedule Of Geographic Net Sales And Long-Lived Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Geographic net sales	$ 514,964	$ 602,820
Long-lived assets	360,990		$ 367,402
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales	336,367	418,364
Long-lived assets	242,210		247,074
Singapore [Member]
Segment Reporting Information [Line Items]
Geographic net sales	54,621	42,717
Other Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales	38,319	43,907
Asia [Member]
Segment Reporting Information [Line Items]
Long-lived assets	73,948		76,507
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales	66,523	73,345
Long-lived assets	19,890		20,258
Other Foreign [Member]
Segment Reporting Information [Line Items]
Geographic net sales	19,134	$ 24,487
Long-lived assets	$ 24,942		$ 23,563