Segment And Geographic Information (Operating Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Sales	$ 2,255,319	$ 2,053,131	$ 2,268,095
Depreciation and amortization	44,152	48,792	48,427
Income from operations	53,062	25,134	28,545
Interest expense	(8,472)	(8,364)	(6,664)
Interest income	540	1,196	3,829
Other income (expense)	277	(673)	1,559
Income before income taxes	45,407	17,293	27,269
Capital expenditures	42,177	39,519	35,118
Total assets	1,903,880	1,744,235	1,759,874
Elimination Of Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Sales	(89,619)	(77,109)	(78,714)
Corporate And Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Income from operations	(94,524)	(77,452)	(82,049)
Americas [Member]
Segment Reporting Information [Line Items]
Sales	1,203,544	1,209,032	1,428,795
Depreciation and amortization	20,589	22,802	21,784
Income from operations	45,807	32,629	55,749
Capital expenditures	28,673	24,392	15,822
Total assets	885,574	777,658	792,180
Asia [Member]
Segment Reporting Information [Line Items]
Sales	912,560	746,661	741,630
Depreciation and amortization	10,660	11,018	11,108
Income from operations	90,725	63,880	47,862
Capital expenditures	4,253	7,836	9,493
Total assets	663,881	532,793	533,508
Europe [Member]
Segment Reporting Information [Line Items]
Sales	228,834	174,547	176,384
Depreciation and amortization	2,878	2,842	3,035
Income from operations	11,054	6,077	6,983
Capital expenditures	6,072	1,838	3,702
Total assets	178,263	146,277	139,977
Corporate [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	3,179	5,453	6,101
Capital expenditures	10,025	12,130	12,500
Total assets	$ 176,162	$ 287,507	$ 294,209