Income Taxes (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Unrecognized Tax Benefits	$ 36,935	$ 44,701	$ 45,987	$ 46,980
Unrecognized Tax Benefits Expected to be Paid	525
Unrecognized Tax Benefits, Interest on Income Taxes Expense	(3,247)	1,570	267
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	8,878	12,173
Operating Loss Carryforwards	38,643
Deferred Tax Liabilities, Undistributed Foreign Earnings	3,286,018
Income Taxes Paid, Net	182,668	223,909	$ 235,102
International [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	282,026
Tax Credit Carryforward, Subject to Expiration	8,089
Tax Credit Carryforward, No Expiration	273,937
Tax Credit Carryforward, Deferred Tax Asset	85,637
Other Tax Carryforward, Valuation Allowance	$ 3,697
Increase in Interest Expense [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions		1,623
Tax Adjustments Settlements And Unusual Provisions, Net of Tax		$ 1,236
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic and Diluted		$ 0.01
Increase in the Provision for Income Taxes [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions		$ 20,809
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic and Diluted		$ 0.20