Segment And Geographic Information (Schedule Of Geographic Net Sales And Long-Lived Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Geographic net sales	$ 505,721	$ 514,964
Long-lived assets	350,273		$ 344,844
United States [Member]
Segment Reporting Information [Line Items]
Geographic net sales	297,043	336,367
Long-lived assets	234,166		235,193
Asia [Member]
Segment Reporting Information [Line Items]
Long-lived assets	67,382		69,669
Singapore [Member]
Segment Reporting Information [Line Items]
Geographic net sales	63,157	54,621
Other Asia [Member]
Segment Reporting Information [Line Items]
Geographic net sales	38,845	38,319
Europe [Member]
Segment Reporting Information [Line Items]
Geographic net sales	75,326	66,523
Long-lived assets	28,064		18,002
Other Foreign [Member]
Segment Reporting Information [Line Items]
Geographic net sales	31,350	$ 19,134
Long-lived assets	$ 20,661		$ 21,980