Income Taxes (Narrative) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) country	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Share-based Payment Arrangement [Abstract]
Other tax expense (benefit)			$ 3,800
Number of countries in which entity operates | country			18
Federal tax rate of deferred tax assets and liabilities			21.00%
U.S. federal statutory tax rate			21.00%	21.00%	21.00%
Tax cuts and jobs act, global intangible low-taxed income, reduction of taxable income			$ 15,000
Tax cuts and jobs act, global intangible low-taxed income, tax credit, foreign, percent			0.50%
Tax cuts and jobs act, global intangible low-taxed income, tax credit, foreign, amount			$ 700
Net operating loss carryforwards			90,600
Deferred tax assets, operating loss carryforwards			24,600
Operating loss carryforwards, valuation allowance			10,300
Current year and prior year earnings of Company's foreign operations			131,700
Foreign withholding taxes			1,300
Reduction in provisional transition tax			2,000
Undistributed earnings of foreign subsidiaries			132,300
Interest and penalties related to the unrecognized tax benefits			200	$ 200	$ 200
Accrued interest and penalties related to unrecognized tax benefits			100	100	400
Deferred state and local income tax expense (benefit)		$ 1,800	192	253	(338)
Audit settlement tax benefit	$ 1,500		(752)	2,874	(1,286)
Income taxes paid, net			25,100	25,900	$ 28,100
Tax Attributes With Limited Lives
Share-based Payment Arrangement [Abstract]
Deferred tax assets, net			$ 9,800
Brazil
Share-based Payment Arrangement [Abstract]
U.S. federal statutory tax rate			34.00%
China
Share-based Payment Arrangement [Abstract]
U.S. federal statutory tax rate			25.00%
Mexico
Share-based Payment Arrangement [Abstract]
U.S. federal statutory tax rate			30.00%
Valuation allowance expense			$ 100
Increase (decrease) in valuation allowance			$ (300)
Switzerland
Share-based Payment Arrangement [Abstract]
U.S. federal statutory tax rate			7.80%
Germany
Share-based Payment Arrangement [Abstract]
Valuation allowance expense				700
State and Local Jurisdiction
Share-based Payment Arrangement [Abstract]
Net operating loss carryforwards			$ 8,500
Operating loss carryforwards, valuation allowance			100
Non-U.S.
Share-based Payment Arrangement [Abstract]
Tax credit carryforward			200
Deferred tax assets, net			10,827	11,279
Non-U.S. | Research Tax Credit Carryforward
Share-based Payment Arrangement [Abstract]
Tax credit carryforward			900
United States
Share-based Payment Arrangement [Abstract]
Deferred tax assets, net			18,400
U.S.
Share-based Payment Arrangement [Abstract]
Deferred tax assets, net			18,412	$ 29,340
U.S. | Research Tax Credit Carryforward
Share-based Payment Arrangement [Abstract]
Tax credit carryforward			$ 9,000