Income Taxes (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) countries	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Income Tax Disclosure [Line Items]
Number of countries in which operations constitute a taxable presence | countries		18
Tax rates		21.00%	21.00%	35.00%
Federal tax rate of deferred tax assets and liabilities		21.00%
Net operating loss carryforwards		$ 112,900
Net operating loss carryforwards, deferred tax asset		24,300
Net operating loss carryforwards, valuation allowance		9,100
Discrete tax benefit	$ 2,200
Current year and prior year earnings of Company's foreign operations		94,400
Foreign withholding taxes		1,200
Accumulated undistributed earnings intended to remain permanently invested		169,100
Recognized interest and penalties related to unrecognized tax benefits		200	$ 200	$ 200
Accrued interest and penalties related to unrecognized tax benefits		100	100	400
Increase decrease in unrecognized tax benefits	$ 2,200
Taxes paid, net of refunds		25,900	28,100	$ 23,700
Reduction in provisional transition tax		1,000
Tax Attributes With Limited Lives [Member]
Income Tax Disclosure [Line Items]
Net deferred tax asset		$ 22,600
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years		2007
Earliest Tax Year [Member] | Research and Development [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforwards, expiration date		Jan. 01, 2025
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years		2019
Brazil [Member]
Income Tax Disclosure [Line Items]
Tax rates		34.00%
China [Member]
Income Tax Disclosure [Line Items]
Tax rates		25.00%
Mexico [Member]
Income Tax Disclosure [Line Items]
Net increase (decrease) in valuation allowance		$ (100)
Tax rates		30.00%
Valuation allowance expense		$ 800
Canada [Member]
Income Tax Disclosure [Line Items]
Net decrease in tax audit settlements		$ 2,200
Switzerland [Member]
Income Tax Disclosure [Line Items]
Tax rates		7.80%
Germany [Member]
Income Tax Disclosure [Line Items]
Valuation allowance expense		$ 1,300
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards		38,800
Non-U.S. [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward		11,700
Net deferred tax asset		11,279	18,973
Non-U.S. [Member] | Research and Development [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward		$ 900
Non-U.S. [Member] | Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforwards, expiration date		Jan. 01, 2025
United States [Member]
Income Tax Disclosure [Line Items]
Net deferred tax asset		$ 29,300
Domestic Tax Authority [Member]
Income Tax Disclosure [Line Items]
Net deferred tax asset		29,340	$ 36,103
Domestic Tax Authority [Member] | Research and Development [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward		$ 8,000