Income Taxes (Reconciliation Of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income taxes at statutory rate	$ 220,332	$ 461,250	$ 434,394
State and local income taxes, net of federal income tax benefit	22,315	10,133	6,298
Foreign income taxes	(39,915)	(113,520)	(111,217)
Change in valuation allowance	2,472	10,008	(21,106)
Manufacturing deduction	0	(11,911)	(15,186)
2017 revaluation of deferred tax assets and liabilities	0	(150,546)	0
Transition Tax	28,201	105,165	0
Transition tax planning initiatives	(18,706)	14,825	3,881
Tax contingencies and audit settlements	(31,874)	23,097	2,496
Other, net	1,521	(5,336)	7,999
Income tax expense (benefit)	$ 184,346	343,165	$ 307,559
Belgium tax reform, income tax expense (benefit)		$ (44,439)