Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Contingency [Line Items]
U.S. tax (benefit) on foreign earnings	$ 26,013	$ 0	$ 0
Taxes Payable for the transition tax on foreign unremitted earnings	$ 30,857
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	21.00%
Unrecognized Tax Benefits	$ 52,986	35,879	24,361	$ 31,534
Unrecognized Tax Benefits, Interest on Income Taxes Expense	1,469	945	(2,792)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	5,639	4,189
Foreign Earnings Repatriated	3,300,000
Tax effect of distribution of foreign earnings	1,800
Undistributed Earnings of Foreign Subsidiaries	1,100,000
Income Taxes Paid, Net	188,601	$ 226,422	$ 231,183
International [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	352,336
Tax Credit Carryforward, Subject to Expiration	11,010
Tax Credit Carryforward, No Expiration	341,327
Tax Credit Carryforward, Deferred Tax Asset	89,130
Other Tax Carryforward, Valuation Allowance	6,037
Distributed Earnings [Member]
Income Tax Contingency [Line Items]
Foreign Earnings Repatriated	761,000
Undistributed Earnings [Member]
Income Tax Contingency [Line Items]
Foreign Earnings Repatriated	2,500,000
Tax expense related to federal GILTI tax [Member]
Income Tax Contingency [Line Items]
U.S. tax (benefit) on foreign earnings	$ 31,042