Income Taxes (Schedule of Reconciliation Between Statutory and Effective Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Foreign derived intangible income	(0.70%)	(1.10%)	0.00%
Statutory U.S. rate	21.00%	21.00%	35.00%
Non US tax rate differential	(1.90%)	(1.80%)	(28.80%)
Tax on US subsidiaries on Non US earnings	1.10%	0.70%	0.80%
State and local income taxes	3.10%	0.10%	1.20%
Change in permanent reinvestment assertion	0.00%	(2.30%)	8.40%
Transition tax	0.00%	1.50%	11.30%
Effective Income Tax Rate Reconciliation, Deduction, Percent	0.00%	0.30%	(21.20%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent	(1.50%)	(0.90%)	(1.70%)
Valuation allowances	(2.40%)	0.70%	2.80%
Reserves for uncertain tax positions	(0.30%)	(0.80%)	(0.90%)
Provision to return and other true-up adjustments	0.10%	(0.70%)	(1.70%)
Other adjustments	1.80%	0.20%	0.50%
Effective tax rate	20.30%	16.90%	5.70%