Contingencies (Activity in Accruals for MSA and Tobacco Litigation Schedule) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	$ 12,645	$ 19,851
Expenses	128,085	117,792
NPM Settlement adjustment	(595)	(1,793)
Change in MSA obligations capitalized as inventory	605	459
Payments	(10,288)	(23,768)
Interest on withholding	26	243
Current liabilities, ending balance	130,049	118,834
Noncurrent liabilities, beginning balance	41,319	49,770
Expenses	0	0
NPM Settlement adjustment	(5,703)	(928)
Payments	(40)
Reclassification to/(from) non-current liabilities	(429)	6,050
Interest on withholding	1,602	1,907
Noncurrent liabilities, ending balance	37,607	44,699
Payments due under Master Settlement Agreement
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	12,385	16,192
Expenses	127,510	112,026
NPM Settlement adjustment	(595)	(1,793)
Change in MSA obligations capitalized as inventory	605	459
Payments	(9,463)	(14,296)
Interest on withholding	0	0
Current liabilities, ending balance	129,795	112,438
Noncurrent liabilities, beginning balance	21,479	22,257
Expenses	0	0
NPM Settlement adjustment	(5,703)	(928)
Payments	(40)
Reclassification to/(from) non-current liabilities	(647)	(150)
Interest on withholding	0	0
Noncurrent liabilities, ending balance	16,383	21,479
Litigation Accruals
Loss Contingency Accrual [Roll Forward]
Current liabilities, beginning balance	260	3,659
Expenses	575	5,766
NPM Settlement adjustment	0	0
Change in MSA obligations capitalized as inventory	0	0
Payments	(825)	(9,472)
Interest on withholding	26	243
Current liabilities, ending balance	254	6,396
Noncurrent liabilities, beginning balance	19,840	27,513
Expenses	0
NPM Settlement adjustment	0	0
Payments	0
Reclassification to/(from) non-current liabilities	218	6,200
Interest on withholding	1,602	1,907
Noncurrent liabilities, ending balance	$ 21,224	$ 23,220