Income Taxes (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) countries	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Income Tax Disclosure [Line Items]
Number of countries in which operations constitute a taxable presence | countries	18
Net increase(decrease) in valuation allowance	$ 5,100
Tax rates	35.00%	35.00%	35.00%
Net operating loss carryforwards	$ 220,000
Net operating loss carryforwards, deferred tax asset	30,000
Net operating loss carryforwards, valuation allowance	21,600
Unrepatriated foreign earnings	1,100
Non-U.S. earnings that have been targeted for future repatriation	59,000
Foreign earnings expected to be distributed	46,800
Income tax expense recorded due to expected repatriation of foreign earnings	1,100
Accumulated undistributed earnings intended to remain permanently invested	165,600
Recognized interest and penalties related to unrecognized tax benefits	(100)	$ 1,000	$ (1,300)
Interest and penalties related to settlement of audits			(1,400)
Accrued interest and penalties related to unrecognized tax benefits	400	400	100
Estimated range of change, net increase	600
Estimated range of change, net decrease	3,600
Taxes paid, net of refunds	18,300	17,600	29,400
Recognized current and deferred tax benefits	$ 42	32	$ 16,721
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years	2000
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years	2015
China [Member]
Income Tax Disclosure [Line Items]
Tax rates	25.00%
Mexico [Member]
Income Tax Disclosure [Line Items]
Tax rates	30.00%
Switzerland [Member]
Income Tax Disclosure [Line Items]
Tax rates	8.00%
Research [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward	$ 7,600
Research [Member] | Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforwards, expiration date	Jan. 01, 2025
Alternative Minimum Tax [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward	$ 1,200
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	20,700
Non-U.S. [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforward	35,100
Net deferred tax asset	$ 10,672	12,046
Non-U.S. [Member] | Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax credit carryforwards, expiration date	Jan. 01, 2018
German Tax Authority [Member]
Income Tax Disclosure [Line Items]
Payment to taxing authority to pursue litigation	$ 14,500
Recognized current and deferred tax benefits	25,300
Taxes and interest along with deferred tax assets adjusted with anticipation of settlement	6,400	$ 6,300
Estimated range of change amount	3,200
Tax Attributes With Limited Lives [Member]
Income Tax Disclosure [Line Items]
Net deferred tax asset	48,500
Deferred tax assets [Member]
Income Tax Disclosure [Line Items]
Net increase(decrease) in valuation allowance	(2,600)
Valuation allowance due to translation [Member]
Income Tax Disclosure [Line Items]
Net increase(decrease) in valuation allowance	$ 2,500