Income Taxes (Schedule of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income tax based on income from continuing operations, at estimated tax rates of 36.5% and 29.4%, respectively	$ 7,309	$ 10,847
Income tax before discrete items	7,309	10,847
Discrete tax expense:
Exercise of U.S. Stock Options		(50)
Adjustments to prior period tax liabilities	(112)	194
Provision for/resolution of tax audits and contingencies, net	(244)	(2,232)
Out-of-period adjustments to deferred tax assets	1,830	(1,346)
Tax effect of non-deductible foreign exchange loss on intercompany loan	3,668
Other	3	63
Total income tax expense	$ 12,454	$ 7,476