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Business Segment Information (Sales and Long-lived Assets by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 985,300	$ 924,300	$ 925,000	$ 893,500	$ 1,068,200	$ 995,700	$ 990,000	$ 885,800	$ 3,728,134	$ 3,939,697	$ 3,835,699
Percentage									100.00%	100.00%	100.00%
Long-Lived Assets	$ 986,424				$ 1,002,836				$ 986,424	$ 1,002,836	$ 830,144
Percentage	100.00%				100.00%				100.00%	100.00%	100.00%
Sales Revenue, Goods, Net | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of net sales to international customers to total sales									65.00%	63.00%	63.00%
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									$ 1,463,680	$ 1,632,582	$ 1,528,963
Percentage									39.30%	41.40%	39.90%
Long-Lived Assets	$ 455,622				$ 481,474				$ 455,622	$ 481,474	$ 353,767
Percentage	46.20%				48.00%				46.20%	48.00%	42.60%
EMA
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									$ 1,385,245	$ 1,397,308	$ 1,424,498
Percentage									37.20%	35.50%	37.10%
Long-Lived Assets	$ 336,577				$ 312,668				$ 336,577	$ 312,668	$ 280,549
Percentage	34.10%				31.20%				34.10%	31.20%	33.80%
EMA | Sales Revenue, Goods, Net | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of net sales to international customers to total sales									10.00%
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									$ 535,440	$ 551,759	$ 539,898
Percentage									14.40%	14.00%	14.10%
Long-Lived Assets	$ 138,947				$ 143,848				$ 138,947	$ 143,848	$ 132,667
Percentage	14.10%				14.30%				14.10%	14.30%	16.00%
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									$ 808,030	$ 815,818	$ 783,639
Asia Pacific | Sales Revenue, Goods, Net | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of net sales to international customers to total sales									10.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									$ 343,769	$ 358,048	$ 342,340
Percentage									9.10%	9.10%	8.90%
Long-Lived Assets	$ 55,278				$ 64,846				$ 55,278	$ 64,846	$ 63,161
Percentage	5.60%				6.50%				5.60%	6.50%	7.60%
Other | Sales Revenue, Goods, Net | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of net sales to international customers to total sales									10.00%
Germany | Sales Revenue, Goods, Net | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of net sales to international customers to total sales									7.00%	6.00%	7.00%

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